OF THE Reconcileableness of Specifick Medicines, TO THE Corpuscular Philosophy.
The Introduction, To my Learned Friend, Dr. F.
PErceiving, by our late Conference, that the thing which most alienates you, from the Corpuscular Philosophy, is an Objection drawn from your own Profession and Experience, namely, that the Specifick Vertues of Medicines [Page 2] are not reconcileable to it; my unwillingness that an Hypothesis, I am so kind to as I am to the Mechanical, should continue under the disfavour of a Person I so much esteem, as I do Dr. F. makes me venture to offer you the annexed Paper, thô it be but an Inlargement of a dismembred part of what I long since, to gratify a Friend, noted about the Origine or Production of Occult Qualities. For thô I pretend not, that this Trifle should satisfy a man of your Judgment and Learning, yet it may perhaps serve to keep you from thinking it impossible, that a skilful Pen may be able quite to surmount those Difficulties, that so bad a Pen as mine is capable of lessening.
A Paper belonging to the writings about the Mechanical Origine of Qualities.
AMong the several kinds of occult qualities that, which is afforded by Specifick Vertues of Medicines, is not here to be pretermitted. For these Qualities do not only, like other hidden ones, invite, our curiosity, but concern our health and may hereafter (if I mistake not) appear to be of much greater importance, than as yet they are commonly thought. However it may be worth while to take some notice of them in this place, if it were but because divers Learned Physicians do, as some of themselves owned to me, reject or disfavour the Corpuscular Philosophy upon this account, That they think it cannot be reconcil'd to the vertues of Specifick Remedies, or at least cannot, either in a particular or in a general way, give any tolerable account of them.
[Page 4] I find three sorts of Qualities mention'd in the Books of physicians, under the notion of Specifick Vertues. For by some a Medicine is said to have a Specifick Faculty, because it is eminently and peculiarly friendly to this or that particular Part of the Body, as the Heart, the Brain, the Eye, &c. By others it is said, by a Specifick Power, to attract and evacuate some determinate Humour, as Choler, Phlegm, &c But the most usual account, upon which a Medicine is said to be Specifick, is that it has the vertue to cure, by some hidden property, this or that particular disease, as a Pleurisy, an Asthma, the colick, the Dropsy, &c. And this being the principal and most common sense, in which the word Specifick is employ'd by Physicians, I shall ordinarily make use of it, in that sense, in the following discourse, but yet without so confining my self to it, as not to consider it in the two other senses, when occasion shall require.
But before I descend to particular [Page 5] considertions 'twill not be amiss to obviate mistakes by declaring, in what sense in this Paper, I shall employ the Term Specifick Medicine, especially in the last of the three foremention'd Acceptions.
I do not then by a Specifick understand a Medicine, that will cure the disease it is good for Infallibly, and in all Persons that take it, for I confess I never yet met with any such remedy. Nor do I by Specifick understand a Medicine that, almost like a Charm, works only by some latent and unaccountable Property, without the assistance of any known Quality, as Purgative, Diuretick, Sudorific, &c. to be found in other Medicines: But by Specifick I mean, in this discourse, such a medicine as very often, if not most commonly, does very considerably, and better than ordinary Medicines, relieve the Patient, whether by quite curing, or much lessening, his disease, and which acts principally upon the account of some Property or peculiar vertue; so that [Page 6] if it have any manifest Quality that is friendly, yet the good it does is greater, than can reasonably be ascribed to the degree it has of that manifest Quality, as hot, cold, bitter, sudorifick, &c.
There are two grand Questions, that may be propos'd about the Specifick vertues ascrib'd to Medicines, The first is, whether there be really any such, and the second whether, if there be, the Mechanical Hypothesis can be accommodated to them.
The former of these Questions may admit of a double sense, for it may be propos'd with respect, either to the present measure of our knowledge, or to those further attainments that, in future times, men may arrive at.
In the latter of these senses, (to dispatch first the consideration of that) I shall not presume to maintain, without restriction, either part of the Question. For I do not only hope, but am apt to think, that in time [Page 7] the Industry and Sagacity of men will be able to discover Intelligible causes of most of those Qualities, that now pass for Occult, and among them of many of the Specifick vertues ascrib'd to Medicines. And yet, on the other side, I much fear that men will not be successful, in tracing out the true and immediate causes of those good effects of some remedies, that depend upon such fine and uncommon Textures, and such latent and odly guided Motions, as fall not under our Senses, thô perhaps assisted by Instruments. Which conjecture will appear the less improbable, if we consider those admirable Idiosyncrasiae, or Peculiarities of Disposition, whereof the Books of eminent Writers afford us many instances, to whose number I could, upon my own Observation, add several, if I thought it needful. And, thô I am not ignorant that some of these may be plausibly accounted for, as that of some mens aversion to cheese, or to cats; yet I do not think that the like explications [Page 8] can be extended to some others, that might be nam'd, if it were here pertinent to discuss that throughly.
As to the former sense, of the Question lately propounded, I confess my self very amiable to the Affirmative, as far as I can judge by those writings of Physicians I have had occasion to peruse. Which limitation I add, because I would not derogate from the knowledge of particular persons, who in so learned and inquisitive an Age, may be arriv'd at far greater attainments than those Physicians have done, that have entertain'd the Publick about the Occult and Specifick Qualities of Medicines.
I know there have been, and still are, Dogmatical Physitians, that upon the Principles, as they pretend, of the School-Philosophy, reject all Medicinal vertues that they think not reducible to manifest Qualities. But of such Galen somewhere justly complains, that they either deny matters [Page 9] of fact, or assign very incompetent causes o the effects they pretend to explain. And, for my part, I am so far from believing these men capable of giving sufficient reasons of the more hidden Properties of Medicins, that I am not apt to think them able, by their Principles, to give clear and particular explications, even of the more easy and familiar vertues of simples.
I am therefore dispos'd to think that, in the sense formerly deliver'd of the Term Specifick Medicines, there are some Remedies that deserve that name.
To this opinion I have been led by several Reasons▪ And first (to begin with the least weighty) it has the suffrage of many learned Physicians, both Ancient and Modern, and particularly that of Galen himself in several places of his Works. And I remember that, treating of a Specifick Remedy against the biting of a mad Dog, which vertue he ascribes to an occult Quality, or, as he speaks, to [Page 10] the Propriety of the whole Substance; Galen. de Simpl. Medicam. Fac. Lib. 11. he takes occasion to promise, that he would write a Book of things that operate upon that account. Which Book, if it had scap'd with his other Works (for he elsewhere cites it as having written it) would probably have furnish'd us with several things to strengthen our opinion. And thô in Matters Philosophical I am little sway'd by mere Authority, yet the concurrent suffrage, of many eminent Physicians, may in this controversy be the more considerable, because most of them, being noted Practitioners, had opportunity to observe whether or no any Remedies deserv'd the name of Specificks: And their Testimony is, in our case, the more to be regarded, because Physicians, especially famous ones, are not wont to be willing to acknowledge, that there are Effects, which fall under the Cognisance of their art, whereof they cannot give the causes.
My next Inducement, to admit [Page 11] Specificks, is founded upon Parity of Reason: For 'tis manifest, that there are divere formidable Maladies, that are produc'd by inconsiderable quantities of Poysons, that have not been discover'd to produce such great and dismal Effects by any Manifest Quality, whether first, second, or third, as Medical Authors (I doubt not over accurately) distinguish them.
On this occasion I shall add a very odd Accident, about which I was advis'd with by an expert oculist, very soon after it happen'd: The Case was this. A man lying somewhat long in Bed in the morning, and chancing, as he lay upon his Back, to cast up his Eyes to the Tester, saw a great Spider, that stood still just over his Face: Wherefore having reproach'd his Wife, who happen'd to be in the Room, with gross negligence, she took a Broom, and struck it upon the upper part of the Tester, to beat down the Spider; but the Animal held so fast with his Feet that she miss'd her aim, and he, whether frighted [Page 12] or irritated by this rude shake, let fall upon the Man, that was staring at it to see what would happen, a drop of Liquor that lighted directly upon one of his open Eyes. But finding no heat nor sharpness insue, but rather a very sensible coldness, he made nothing of it, but rose and put on his cloth's. But presently after, happening to rub with his finger the other Eye, he was sadly surpriz'd to find himself suddenly benighted, and calling for assistance, he found that the Eye, which the Spider had let fall something on, thô no change were noted in it by the bystanders, was totally depriv'd of sight. Upon which score he repair'd to the above mention'd Oculists: But whether he afterwards recover'd his sight or no, I cannot tell; all the endeavours the Oculist arid I imploy'd to find out his Lodging (to which it seems he had left a wrong direction) having been Fruitless. This brought into my mind, that I had sometimes wonder'd to see how much more quickly Spiders [Page 13] will kill Flyes, than the cutting off their Heads, or running them quite through with Pins or Needles will do.
But to return to what I was saying, of the great Mischief done to Humane Bodies, by very small quantities of Poyson; methinks one may thence argue that it seems not improbable that Appropriated Medicines, especially when administred in greater quantity, may produce very notable changes in the Humane Body to the advantage of it. But on this occasion I expect to be told, that 'tis much more easy to do harm, than good, and I confess 'tis so in the general, but yet, in the particular case before us, I consider that some Poysons, that produce such dreadful Symptoms in the Body, are frequently cur'd by their appropriated Antidotes, which therefore must have a Sanative Power great enough, with the help but of the ordinary Concourse of Nature, to surmount the efficacy of the venemous Matter. To which I shall add this more familiar instance [Page 14] that as Perfumes do often enough produce various, and sometimes frightful, Symptoms in many Histerical Women; so the fumes of the burnt Feathers of Patridges, Woodcocks, &c. do frequently cure the Fit in as little time as the sweet smell procur'd it. And I have often found the smell of strong Spirit of Harts-horn, or Sal-Armoniac, recover such Women in far less time, than the fragrant odours imploy'd to make them si [...].
The Third and Principal Inducement I had, to think there are Specifick Remedies, is from Experience. I might urge, on this occasion, the Testimony of Galen, who tells us more than once, that he himself therefore confided, in the Ashes of burnt Craw-Fishes, for the cure of the biting of a Mad Dog, because never any of those that took it dy'd. And to annex that upon the by, for the usefulness of it, he adds, that thô the effect of these ashes be admirable, Galen. de simpl. Med. Fac. lib. 11. even when [Page 15] given alone, yet their vertue may be increased, by adding to ten parts of burnt Craw Fishes five of Gentian and one of Frank-incense. And the great vertue of these burnt Shell-fishes I find to have been taken notice of some ages before Galen; Dioscorides much commending them against the same Disease that the Pergamenian does.
I shall in this place purposely forbear to mention such Medicines, as, thô by divers learned Physicians commended as Specificks, are yet by others much question'd, if not flatly deny'd to be so. Since it may be more proper, and may perhaps suffice, to mention two or three, whose efficacy is more notorious.
'Tis known, by almost daily experience, in Italy and divers other hot Countreys, that thô the stings of Scorpions oftentimes produce very acute Pains, and formidable Symptoms, yet the Mischief is easily remedy'd, either by presently crushing the Body of the Scorpion upon the [Page 16] Hurt, or by anointing the part affected with Oyl of Scorpions, (for that reason to be almost every where found,) which being made by suffocating those Insects in common Oyl, and keeping it long in the Sun, the Liquor does not at all appear to have any manifest Quality, to which its sanative Efficacy may be ascribed.
The Bitings of those Serpents, which for the noise they are wont to make, with a kind of empty Bladders in their Tails, the English call Rattlesnakes, are counted much more poysonous and dangerous than the stings of Scorpions. Of which I remember a learned Eye witness, that liv'd divers years in Virginia, where they much abound, related to me a very strange Instance, which I cannot now stay to set down. And yet the English Planters, when they have the misfortune to be bitten by these Serpents, are wont to cure themselves very happily by the use of that plant, which from its effects, and the place it grows [Page 17] in, is well known by the name of Virginian Snakeweed, [ or Serpentaria Virginiana.
That the Peruvian Bark, commonly call'd here in England the Jesuits Powder, is a Specifick against Agues, particularly Quartans, divers learned Physicians not only grant but assert. And I remember the justly famous Dt. Willis gave me this Character of it in private discourse, (not without taking notice that some decry'd it,) 'Tis the noblest Medicine we (meaning the Physicians) know. But thô I will not dispute, whether it be so certain and safe a Specifick for Agues, as 'tis believ'd by, divers eminent Doctors, yet I think it can scarce be deny'd, to be a Specifick Medicine to stop the fits of Agues, (in the notion of Specifick Remedies formerly deliver'd) since it does that far more effectually, than the generality of Physicians, for many ages, were wont to do, with their other Antifebrile Medicines.
I might here tell you, that I have [Page 18] my self seen a stone, whose efficacy in stopping Hemorrhagies invited my Wonder; and another, which perform'd extraordinary things in more than one Distemper thô I could not perceive that either of them did these things by any manifest Quality. And I might here add some other particulars, that may be borrow'd from Experience, in favour of our opinion, but that 'tis like they will be more properly alledg'd hereafter in some places of the remaining Part of our Discourse.
I know those, that have rejected Specifick Medicines, have confidently urg'd three plausible Arguments against them. For some Physicians deny there are any Effects of Medicines so considerable, as to make them deserve the name of Specifick. Others would probably allow that Experience favours our opinion, if they did not think the way of a Specifick Medicines operating must be inexplicable, and consequently ought not be admitted by Physicians. And others [Page 19] again (being of Sentiments very differing from these) will allow them to be very efficacious, but endeavour to derive their whole Efficacy from Manifest Qualities, as heat, cold, tenuity of Parts, faculty of making large Evacuations by Vomit, Siege, &c.
But these objections will be more opportunely consider'd in due places, Only there is one Argument, that may be objected by the deniers of Specifick remedies, which I confess is so specious, as to deserve to be particularly examin'd in this place, lest it should, if unremov'd, beget too strong a prejudice against a great part of the ensuing Discourse. For it may be said, that a Medicine taken in at the Mouth must, in the Stomach and Guts, be at lest very much chang'd by Digestion, and the Aliments it meets with there, and a good Part of it will be proscrib'd among excrements. That alter it has pass'd out of the Stomach, it must meet with divers strainers of differing Textures, which will probably stop all or most of the [Page 20] Medicinal Corpuscles that would pervade them. And that if any shal be so lucky, or so penetrating, as to surmount all these obstacles, they will probably either be assimilated unto the Substance of the Body, or quite chang'd by the parts they will be fain to combine with there. Or, if yet any should be able so obstinately to retain their pristine Nature, they will in all likely hood be too few to have any considerable operation upon the Body. But to this plausible objection I have several things to oppose by way of Answer.
1. And first I may represent, that divers Specifick Medicines, as some some Oyntments, Plaisters, Poultis's Amulets, Pericarpia, &c. Being outwardly apply'd, their Corpuscles can get into the Mass of Blood without passing through the Stomach, and consequently are not concern'd in the propos'd objection.
2. Against most of the Galenical Physicians, that are wont to urge [Page 21] the formerly propos'd objection, I see not why one may not argue ad hominem by putting them in mind, that the same Difficulties for the main, or others not inferior, may be alledged against a common opinion of their own. For since they believe that Purgatives, Cordials, Diaphoreticks, besides Cephalicks, Hepaticks, and some other sorts of Medicines, do contemperate, and sweeten the Blood, and usefully affect the newly mentioned stable Parts; and since these Medicines act not by naked Qualities but by small Particles, of their own substance, if they can give us an intelligible account of the ingress of these Particles in considerable numbers, into the Recesses of the Body, without being, dispoyl'd of their particular virtues, they will at the same time instruct us, how to answer the objection they urge against us.
3. And in regard the generality of Physicians hold, that Milk, and Urine, were materially in the Mass [Page 22] of Blood, and are separated from it by the Breasts, and Kidneys; I think one may by experience shew she invalidity of their ratiocination against Specificks. For 'tis obvious to observe, and I have several times done it my self, that Rubarb will (perhaps for many hours) tinge the Urine of those that take any considerable dose of it And in some of our English American Colonies, there grows a fruit, which the planters call the Prickled Pear, whose inward Substance is exceeding red, and whose being pleasant in tast, as well as colour, frequently invites eaters; but its Juice is of so penetrating a nature, that it passes from the stomach into the Bladder, and then into the chamberpot, with so little loss of its redness, that strangers are wont to be surpris'd and frighted at it, as thinking this unknown fruit had made them void bloody Urine, if not blood rather than Urine. This is a known thing among those, that have dwelt in our Southern Plantations, and has [Page 23] been affirm'd to me by unsuspected Eye-witnesses, and among them by a famous Physician. As for Milk, the great Hippocrates himself informs us, that if a Woman, or a she-goat take Elaterium, the Cathartick vertue passes into the Milk, and will purge the Child that drinks it. And I remember that haying occasion to make some stay, in the Spring or beginning of Summer, in the confines of Switzerland and Savoy, I had the opportunity to observe this odd Phaenomenon, That when the Cows, in that District, fed, as they would in that season plentifully do, upon a certain weed, said to be a kind of Wild-Garlick, that grew copiously in the Pastures, the very Butter made of their Milk had so rank a tast of the Herb, that though I was not, yet divers other strangers were, thereby diverted from eating of it, though otherwise fresh and good. And I remember too, that having pass'd a Winter on the Seacoast of the County of Cork in Ireland, I found it a known observation, [Page 24] that a sort of greedy Sea-fowl, whose name comes not now into my mind, living almost wholly upon Fish, (upon whose scholes I have sometimes wondered to see such a multitude of ravenous Fowls attending) they acquire a Tast that makes some pleasantly Question, whether the food they afford be to be reputed flesh or fish. But how constantly the Particles of divers Bodies may retain their nature in all the digestion, and strainers they pass through, I have more amply discours'd in another Tract, About the concealments and disguises of seminal Principles. And I presume I have here said enough, to allow me to proceed to the fourth part of my answer.
4. I consider then, in the last place, that whereas 'tis objected, that so small a quantity of the matter of a Specifick, as is able to retain its nature when it arrives at the part it should work on, must have little or no power left to relieve it. This difficulty will not much stagger those [Page 25] that know, how unsafe it is to measure the power that natural Agents may have, to work upon such an engine as the Humane Body, by their bulk rather than by their subtilty and and activity A sober Gentleman, that was Governour of a Colony in the Torrid one, and commanded a Warlike English Vessel, that sail'd up very far in the great River of Gambia or Gambra in Africk, and staid there some time to trade with the Negro's of the Inland Countrey, being inquired of by me, among other things, about the Poysons that are said to be extraordinarily powerful in the Parts he came from; he answered me, that the Blacks had a Poyson, that was, though somewhat slow, yet very mortal; in so small a dose, that it was usual for them to hide enough of it to kill a man, under one of their Nails, which they wear somewhat long: Whence they would drop it so dextrously into the Drink, or Milk, or Broth or other Liquid Aliment of those they ow a spite to, that 'tis scarce [Page 26] possible for a stranger to be watchful enough to prevent it. For which reason, as he told me, though he sometimes eat with their petty Princes, or Governours, at the same table, yet he would never eat out of the same dish, nor drink out of the same Cups with any of them. He added that, in another part of Africa, a famous Knight, who commanded the English there, and lately died a ship-board in his way home, was so poysoned at a parting Treat, by a young Negro Woman of Quality, whom he had enjoy'd and declin'd to take with him, according to his promise, into Europe. And though my Relator early gave him notice of what he suspected to be the cause of this Indisposition, and engag'd him thereupon to take Antidotes, and Cordials, as Treacle, &c. yet his languishing distemper still increased, till it kill'd him.
I could name a Vegetable Substance, growing in Europe, and perhaps not far from hence, which though some Empiricks employ as a Medicine, is [Page 27] so violently, operative, that a Learned and famous Modern Physitian relates, that no more than half a grain would work so violently, as to cause very dangerous Hypercatharses, of which though he remedy'd some, yet he was not able to keep all from being Mortal. And because many ingenious men deny that out English Vipers are poysonous, I shall add in favour of the Argument that I have been enforcing that I know a Young man, who having been bitten by an English Viper, which he too rashly laid hold on, though the tooth pricked but his hand, yet the venom, convey'd by so small a hurt which perhaps equal'd not in quantity the hundredth part of Pins head, quickly produc'd in him the bad Symptoms that usually follow the Biteing of that Serpent,; And among others (for I particularly ask'd him about that) a violent vomiting of ill condition'd stuff. I know also a person, that practis'd Physick in the Isle of Iava, where Scorpions are held to be more [Page 28] venemous than in Italy who having, after he had drank some what freely, provok'd, and bin stung by, a Scorpion, thô the Hurt was but in his Thumb, and was so small that I could not perceive the least scar it had left, that it put him presently to such violent tortures, for some hours, till he had procur'd Specifick remedies, that he look'd upon himself a dead man; and felt so raging a heat within that he thought (to use his own Expression) that hellfire was got into his Body. Nor is it only by mere poysons, that a Humane Body may be greatly affected, thô the agent be but very inconsiderable for bulk and weight, for we see, that divers Women, otherwise strong and healthy, will be cast into sounding fits, and perhaps will complain of suffocation, and be put into convulsive Motions, by the fragrant Odours of Musk, or Civet; though if all the Effluvia, that cause these Symptomes, were reduc'd into one aggregate, this would not probably amount to a hundredth, nor perhaps to a thousandth, [Page 29] part of a grain. And I have oftentimes speedily suppress'd such fits, by the odour of the volatile Salts Harts-horn, Sal Armoniac, or the like, or of destill'd Spirits abounding with such Salts; though perhaps all the Particles, that actually relieved the patient, and calm'd these frightful Symptoms, if pack'd together, would not have equal'd, either in bigness or in weight, the tenth, not to say the fifteenth, or the hundredth, part of a grain of mustard-seed. And as for inward remedies, 'tis vulgarly known, that in the infusion of Crocus Metallorum, Corpuscles that render the Liquor vehemently vomitive and Purgative, are so very minute, that great proportions of Wine, or other Vehicles may▪ be strongly impregnated with them without any sensible diminution of the Body that parts with them. And of this we have a not less, if not more, considerable instance, when Quick-Silver is decocted or long infus'd in common Water. For Helmont observes that, [Page 30] though the Liquor be not altered in Colour, or Tast, nor the Quick-silver at all sensibly chang'd, nay nor grown any thing lighter in a ballance, yet the Liquor does, by means of these insensible and unponderable Effluxes of the Quicksilver, acquire a notable virtue against worms; for which purpose not only Helmont, but before him that experienc'd Chymist Hartman, and another eminent Writer, extoll this Medicine. And on this occasion I remember that a fine Boy, born to be heir to a very illustrious family, falling into a dangerous Feaver, which was judg'd to proceed from worms or verminous matter; a famous and Experienc'd Physitian, that treated him, confess'd to me, that he was out of hopes of him; Because the Child, having been bred to have his will, and tir'd with unsuccessful Remedies, was so obstinate and carefull in refusing to take any thing, that smeld or relish'd of a Medicine, that he forbore, in spite of all the art us'd to deceive him, even to drink [Page 31] any thing but small Beer Whereupon I perswaded both the Doctor, and the Lord, whose son the child was, to impregnate his small beer with Mercurial particles, by frequently shaking it with good Quick-silver in it. By which means the patient, perceiving no change of Colour or Tast in the Drink, swallow'd it greedily, and through the blessing of God was soon after restor'd to a Health, which the Parties concern'd ascrib'd to the Mercurial remedy.
I should condemn my self, for having bestowed so many words upon one objection, but that I hope the Answer, given to it in this place, will facilitate and shortens several things relating to my present Subject Specifick Medicines. About which I shall now proceed to offer my thougths in some Propositions, and short discourses upon them.
Having now dispatch'd the first of the two formerly propos'd Inquiries, I proceed to the second, namely, whether the Mechanical Hypothesis [Page 32] can be accommodated to Specifick Medicines, so as that they may be either intelligibly explicated by a, or at least shown to be reconcilable to it. I presume you will easily believe, that there are few writers more inclinable, than I'am, to confess the dimness of our knowledge, and the obscurity of many things in nature; or that are more forward than I to grant, that many of the operations, of Specifick Medicines, are to be reckoned among those abstruse things, whereof nature seems to affect the concealment. But notwithstanding this, when I consider how comprehensive and fertile the principles of the Corpuscular Philosophy are, I cannot despair bur that it will be found, that divers of the effects of these Medicines may be, in a general way explicated by them, and not any will appear inconsistent with them. This I desire may be here taken notice of once for all that, retaining the Scope of the following discourse still in your memory, you may not think [Page 33] it strange, that I content my self, on most occasions, to give in general possible explications, and to shew that Specifick Medicines may operate on some such account as I propose, without affirming that they certainly do so I observ'd soon after the beginning of this Paper that there were three sorts of virtues to which Physicians (thô not unanimously) have given this Title of Specifick; namely such as evacuate some particular humour, such as are peculiarly friendly to this or that part of the Humane Body, and such as in an unknown way cure or much lessen this or that determinate Disease. But yet I shall now apply my discourse peculiarly to the last sort of these Medicines, as being both more considerable in it self and the chief subject intended in present Discourse, giving nevertheless, as occasion serves, such additional Hints and observations, as may make the Reflections, belonging to this Third sort of Specificks, easily applicable Mutatis Mutandis to the other two.
[Page 34] And I shall begin with laying here for a foundation what I have in another Treatise had occasion to deliver and make out, namely, That a living Humane Body is not to be look'd upon as a mere statue, or a mere Congeries of the Materials 'tis compos'd of, Flesh, Blood, Bones, Fat, Nerves, Veins, Arteries, &c. But an admirably fram'd Engine, consisting of Stable, Liquid, and Pneumatick Substances, so exquisitely adapted to their respective functions and Uses, that oftentimes the effects of an agent upon it are not to be measured so much by the power of that agent considered in it self, as by the effects that are consequently produc'd by the action of the parts of the Living Engine it self upon one another.
This premis'd, I consider▪ that there is no need to grant that the operations of all Specificks, or of the same in differing Diseases, must be of one kind; but that differing Specificks may operate in several manners, and some by one of these ways may oppugn [Page 35] such a disease, and others may do good against such another. And of these general ways I shall briefly propose six or seven that now occur to my thoughts. For having first given you this important caution, that the Specifick Remedy do's not commonly (though sometimes it may) relieve the patient by this or that single way of operating, but by a concurrence of two or more, that as it were joyn their forces to produce the desired effect.
PROPOSITION. I.
And first, sometimes the Specifick Medicine may cure by discussing, or resolving the morbifick matter, and thereby making it fit for expulsion by the greater common shores of the Body, and the Pores of the skin.
'Tis known that many Diseases, and those oftentimes stubborn and Chronical, proceed from certain tough or viscous Humours, that obstruct the passages wereby the blood should [Page 36] circulate, or other usefull Liquors be transmitted. And these peccant Humours are oftentimes so viscid and obstinate, that ordinary Remedies will do little or no good upon them. And yet a Specifick may, by the smalness, and congruous Figure of some of its Corpuscles, get through the Pores into the Recesses of this stubborn matter; and by their solidity, Figure, and Agitation, promoted by the heat of the patients Body, may dissolve and ruine the texture of the Morbifick matter, and render it capable of being proscribed by nature, by Urine, Sweat, or some other commodious and innocent Evacuation. Thus the blood, or some other Liquor of the Body, being (to use the Chymists Phrase) impregnated with the friendly and operative Particles of the Remedy, becomes an appropriated Menstruum in referrence to the Pecant matter: impregnated with Sal Armoniack becomes a Menstruum, that by degrees will dissolve both Copper and Iron, as compact bodies as they are. I said appropriated Menstruum, because [Page 37] there is no sufficient reason to suppose, that the Menstruum works by any manifest quality, as Heat Moisture, &c. or even by Acidity it self: But rather by virtue of the fitness, which the shape, bulk, solidilty, and other Mechanical affections of its particles, concur to give it, to disjoyn the parts of a body of such a determinate Texture. For as I have in another Paper amply shewn, there are far more Menstruums of distinct sorts than are commonly taken notice of, and the operations of these cannot safely be measured by the strength of their manifest qualities, since it may several times happen, that a Menstruum, less acid or less strongly tasted, may dissolve this or that body, which another Menstruum, that seems far stronger, will not work on. Thus cold water will dissolve the white of an Egg, which pure spirit of wine will be so far from dissolving, that it will coagulate it; [and so will spirit of Salt and Oyl of Vitriol it self.] Thus dephlegm'd spirit of Urine [Page 38] will readily dissolve minute filings of Copper, which spirit of Vinegar will but slowly work upon; and yet this Liquor will speedily dissolve Crabs Eyes, which spirit of Urine will leave entire. Thus Quicksilver, that is insipid, will in the cold dissolve Gold, which Aqua Fortis it self, though assisted by exeternal heat will not work upon; and yet Aqua Fortis will furiously bear asunder the parts of Iron, though Quicksilver will not so much as adhere to its surface. And thus in fine (not to accumulate instances) common Oyl, that is so smooth upon the Tongue, and will not dissolve so much as an Egg-shell, will dissolve Brimstone, which yet will resist Aqua Fortis it self, that will dissolve almost all Metals, beside many hard Stones and Minerals. And I know a liquor, having more than once prepar'd it, which, though so weak that one may drink a Wine Glass full of it pure without danger, will yet work on some very hard bodies, both Stones & [Page 39] Metals, in a way that is not to be matched, among the highly corrosive Menstruums in use among Chymists.
And now, supposing that the active Corpuscles, of a specifick Medicineassociated with the blood, or other Vehicle they impregnate, may act upon the morbifick matters they meet with in the body, after the manner of Menstruum; supposing this I say, we may hence illustrate several things that have reference to the operation of specifick Medicines.
1. And we may hence derive a Guess, why an appropriated Medicine will perform things, which will not be done by another, whose manifest qualities seem to be the same for kind, and much stronger in degree. For Menstruums do not always act according to the degree of their Acidity, or the like sensible quality, but according to the congruity of their Corpuscles to the pores of the body they are to dissolve; and also oftentimes according to a fitness that depends upon other Mechanical Affections [Page 40] of the acting Liquor. And therefore Physicians, as well as others, may easily mistake in their Argumentations à majori ad minus, & à minori ad majus. For the consequence is not good to argue either thus, Water, which is so strengthless Liquor, will dissolve Gum Arabic, therefore highly rectified spirit of Wine, which is a much more subtil and penetrateing Liquor, will doe the same thing more powerfully; for Experience shews, it will not dissolve it at all: or thus, strong Oyl of Vitriol is more corrosive in taste, and will dissolve many bodies that Aqua Fortis will not, therefore it will also dissolve Silver as well as Aqua Fortis, the contrary of which is true. Nay 'tis not a good inference to argue thus, Aqua Fortis is dissolves Silver by virtue of its acid Spirits, therefore the more it abounds with these, the more potently it will dissolve that Metal, whereas I have elsewhere prov'd by Experience, that if Aqua Fortis be made exceeding strong, it will not [Page 41] work upon Silver, but it will readily do it if it be weakned by the addition of a fit quantity of Common Water.
To this I shall add, that the dissolution of a Body may depend, as well upon the peculiar texture of the body it self, as the manifest strength of the Menstruum.
2ly. The foregoing Doctrine may suggest a Reason, why a Medicine that does wonders in one disease, may do little or nothing in another, that some may think to be a kin to it, and perhaps too, more easily superable by it. For the presum'd cognation may not be so great, but that some dissimilitude of texture in the morbifick matters, may make one of them unfit to be wrought upon by the same Menstruum that dissoloves the other. And though pure Spirit of Wine will easily enough dissolve Gummi Guajacum, and also the little portion of resinous matter that are harbour'd in the Pores and small cavities of the Wood; yet the same Menstruum will [Page 42] not work upon the Wood it self of the Tree that affords those soluble Substances.
3. This may keep it from being thought strange, that Specifick Medicines should sometimes fail of their usual Effects. For, as the Bodies of individual Patients, may differ very much, either according to their natural Constitution, or to that which they acquire by the disease that distempers them, or on both those accounts; So it ought not to seem strange, that in some sick Persons among many, the congruity between the agent ct patient should be alter'd, either by some considerable change in the Texture of the Morbifick matter, or by some notable alteration that the Corpuscles of the Medicine receive in their passage through the Vessels, by the admixture of some incongruous Particles of the Blood or other Vehicle. Thus Spirit of Salt will, as I have try'd, dissolve Copper, as Spirit of Niter does: which notwithstanding, thô this last nam'd Liquor will dissolve Silver, [Page 43] yet if you mix with it Spirit of Salt, which by the like operation of both upon Copper, seems to be amicable to it, the Spirit of Niter will no more be able to dissolve Silver, as it could before.
4thly. Our Hypothesis may also hint to us an answer to one of the main and most plausible objections of the deniers of Specifick Medicines. For some of them ask in a Scornful way, how 'tis possible that a Medicine should rove up and down in the Mass of Blood, and neglecting all other things, should single out, and fasten upon the Morbifick matter men wish it should proscribe. For if the Medicine acts by impregnating the Blood, or some other Liquor of the Body, and turning it into a kind of Menstruum, 'tis very possible, both that the strainers through which the Corpuscles must pass, may keep back the inconvenient parts of the vehicle, and (which is in our case more considerable) the Menstruum may be either appropriated to the peccant Humour, [Page 44] as has been formerly declar'd, or else may at least be qualify'd, to resolve that more easily than any other Substance it meets with in the Body. As if you take some Bone-ashes, and Crocus Martis, and Saw-dust, and powdered Sea-Salt, and Filings of Gold, and blend all these together, if upon one half of this mixture you pour common Water, it will not meddle with any other of the Ingredients except the Sea-Salt, which it will readily dissolve: & if upon the other half of the same mixture, you put a sufficient quantity of Quick-silver, and rub them together, this Metalline Liquor will neglect all the rest of the Ingredients, and the Sea Salt it self, and fasten upon the Gold. And those that work in the Spanish Gold mines inform us, that when they have well ground some Ore, that contains Gold and Copper, besides Heterogeneous Minerals, well heated Quick-silver will take up the Gold much sooner and better than it will the Copper, scarce meddling with the latter, as long [Page 45] as there remains any not despicable quantity of the former, to be wrought upon by it. And as for the supposed difficulty, that the Medicine should Ferret out, if I may so speak, the morbifick matter, in what vessel soever of the Body it lies, this objection might have been considerable, before the discovery of the Bloods circulation: But 'tis not so now that we know, that things that once get into the Mass of Blood, are presently whirl'd about with it, and may be convey'd by it even to small vessels lying in the remotest Parts of the Body.
5thly. And this prompts me to take notice, that our Hypothesis may help us to answer those many learned Physicians, that either reject, or at least despise, most External remedies, especially Pericarpia, Amulets, and Appensa, upon a supposition, both that they neither can furnish the Body they do but externally touch, with any store of Medicinal Particles; and which is chiefly in this place to be [Page 46] consider'd, that being but external remedies, they must be very unable to do good in Internal diseases, especially such as are seated in Parts, remote from those which the Medicine is apply'd to. But as to the former part of the objection, 'twill not be difficult to answer it to him that has read what I have elsewhere written of the subtility, numerousness and efficacy of Effluviums. And we need but consider, what plenty of Particles sensible to the nostrils, are for a long time emitted by a small quantity of Amber-greece, or even of Camphire (which is often externally us'd) and the multitude of Magnetical Corpuscles, that for many years constantly effluviate from a small vigorous Load-stone, to think it possible that even dry and stable Bodies may afford sufficient store of effluvia, to perform considerable things in so curiously fram'd an Engine, as the Humane Body is; where we see that the odour of Musk, or Civet, for instance, may speedily cast divers Persons into Fits, and the smell [Page 47] of Castor or Assa faetida, and much more that of Salt of Harts-horn or of Sal Armoniack, quickly relieve them. And as to the Second Part of the objection, what I have elsewhere made out, and the best Modern Physicians grant, The Essay of the Porosity of Animal Bodies. of the Porosity of the Skin, shows, that 'tis very possible for the subtil Effluvia of several Bodies, to get through the Pores of the Skin; and when they have once got admittance, so much as into the smaller Vessels, 'tis easie to conceive how these may carry them into the greater, and consequently into the Mass of Blood, by whose Circulation they may be readily conveyed to all the Parts of the Body, and among them to the seat of the disease: & perhaps, (to add that upon the by,) the efficacy of these Corpuscles, that, if I may so speak, get in at the Key-hole, not at the Door, may be the more considerable, because they get presently into the Mass of Blood, without passing thrô those [Page 48] Digestions in the stomach and other Parts, which oftentimes much weaken the vertue of Medicines taken in at the Mouth, before they arrive at the Blood.
PROPOSITION. II.
Sometimes a Specifick Medicine may mortify the over Acid, or other immoderate Particles that infest the Mass of Blood, and destroy their coagulatory or other effects.
Thô I am not of their opinion, who of late are wont to impute almost all Diseases to acidity, abounding in the Blood and other Liquors of the Body, by whose intervention the stable parts also are offended; yet I readily grant that a considerable number of Distempers are, at least in great part, produc'd either by Acids themselves, or by their bad effects or Productions. Agreeably to which Doctrine we may very probably conceive, that several Maladies may be either quite [Page 49] cur'd, or much lessen'd, by a Specifick Remedy that abounds in Corpuscles fitted to mortify Acids. This mortification may be effected by more than one way, and of these wayes the chief that now occur to my thoughts, are two.
For there are some Bodies, that mortify or disable Acids by a positive Hostility, if I may so term it; that is, by such a contrariety as is discernable by the Tast, and more by the visible conflict, and manifest Tumult, that is produc'd, when they come to invade an Acid. Of this sort of mortifiers of Acids, are the most part of those that are call'd Alcalisate Salts. Whether fixt, as the Lixivial Salts of Plants, or volatile, as the Spirits and ascending Salts of Urine, Blood, Harts-horn, Soot, &c. As may be exemplify'd, when any of these comes to be mingled with Aqua fortis, Spirit of Salt, Oyl of Vitriol, or the like Acid Liquors, by which by the way we may see, that those Galenists mistake, who ascribe the vertues of Spirit of Harts-horn, [Page 50] and of Urine, only to their tenuity of Parts, Briskness of Motion, and the like affections, that they might not seem beholding to the Chymists for so useful a notion, as that of the contrariety of Acids and Alcalies.
The other principal way, by which Acids may be mortifi'd, or disabled to bite, is by Sheathing them, if I may so express it. For as a knife may be disabled to cut, either by filing off or otherwise blunting its Edge, or else by covering the Blade with a sheath fit for it, or by sticking it into a Loaf of Bread, or the like Body fit to receive and detain the whole Blade; so an Acid Corpuscle may lose its power of cutting or pricking, either by having its Figure spoil'd by the action of a strong and manifest Alcaly, or else by being as it were sheath'd in a Porous Body, thô perhaps endow'd with no Tast, or any other manifest Quality, by which one would think it contrary to the Acid it disables, as a file is to the edge of a knife. [Page 51] Of this way of mortifying Acids, Chymical operations afford us many instances, as when Menium destroyes the Acidity of Spirit of Vinegar, as I have found Chalk will do that of Aqua Fortis it self; and Lapis Calaminaris very much lessens, as well as alters, the Acidity of Spirit of Salt, and even of Spirit of Niter. And I the rather mention this Mineral, both because its Qualities are less known to Physicians, and the generality of Chymists, and because it supplies me with an Argument to prove that Acids may be, thô I do not think they alwayes are, rather sheath'd in, than destroy'd by the Bodies that silently mortify them. For, as Glauber has truly enough observed, Acid Spirits (as I have try'd in some) may by force of fire be driven in Distillation out of the Lapis Calaminaris, very much dephlegm'd, and stronger than before.
I know it may be here objected, that the Mortification of Acids is perform'd [Page 52] by a manifest Quality, and therefore makes nothing for the feavourers of Specifick Medicines. But to this I answer.
1. That the power of mortifying Acids, especially by sheathing them, or if you please, by Absorption of them, is none of those Qualities, whether First, Second or Third, that the former Physicians took notice of in Medicines; thô the sufficiency of these Qualities to cure diseases, has been, and still is, us'd by many as a ground of denying the Specifick vertues of remedies.
2. That I have often look'd upon it as an happy mistake, and of ill consequence, that so many learned modern Physicians take it for granted, that if a Medicine be endow'd with a manifest Quality, as Acid or Alcalisate, the good it does, (and the like for the most part may be said of the Harm) may safely be abscrib'd to that Quality, that is to its being of an Acid, or else of an Alcalisate nature; whereas in my poor Judgment, there [Page 53] being a considerable disparity, as various Tryals have assur'd me, between Acid and Acid, as likewise between Alcaly aud Alcaly, 'tis fit to distinguish betwixt an Acid for instance, as meerly such, and the peculiar modification that may belong to that Acid. Thus, thô all Acid Menstruums that I know of, if they be well dephlegm'd, will dissolve Copper, yet Aqua Regis that will dissolve not only that Metal, but the much more closely compacted body of Gold, will not at all dissolve Silver; as on the other side Aqua Fortis, as corrosive a Menstruum as it is, will not of it self dissolve Gold, but if you give it a new Modification, by adding to it common Spirit of Salt, which it self I have often found (whatever Chymists think or have written to the contrary) will leave it entire, the Aqua Fortis will easily dissolve that Metal. Nay a different Modification may not only make a Disparity between Acid, but that which according to the receiv'd way of Judging, ought to be call'd a contrariety: [Page 54] for Spirit of Salt will precipitate Silver, which Aqua Fortis has dissolv'd, and Spirit of Niter, thô one of the Acidest Menstruums we have, will not only precipitate an Antimonical powder out of that odd substance, that Chymists call Butter of Antimony, but will do it with a wonderful conflict, tumult, and effervesence; and yet this Butter of Antimony is so highly Acid, that a little quantity of it, put into a considerable one of Water, makes it so sour, that many Chymists call it Acetum Philosophorum. And now to apply these things to the lately propos'd objection, I desire it may be remembred, that near the beginning of this Letter I plainly intimated to you, that I did not deny, but that a Specifick Medicine may sometimes be accompany'd with, or even in part operate by a manifest quality, but that yet I thought the good effect was not due, barely to the kind or degree of the manifest Quality, but to somewhat superadded which gave it a Specifick vertue, [Page 55] against this or that particular Disease. And suitably to this it may be said, that, as there are several kinds of Acids, and of Alcalies too, 'tis not every Acid that will be mortifi'd by every Alcaly; and have its Effects destroy'd by it, which may be illustrated by this, that, thô when Copper is dissolved in Aqua Fortis 'tis possible, by the help of meer Chalk skilfully apply'd to make the Menstruum let go the Corpuscles of the Metal, yet if upon such a high colour'd solution of Copper, you shall pour (as to convince some ingenious men, I have purposely done a due quantity of Spirit of Urine, or the like volatile Alcaly, thô there will presently ensue a great conflict and manifest ebullition, with noise and store of Bubbles, yet between these Hostile Salts, a multitude of the Acid Corpuscles of the Aqua Fortis will not be so mortified, as to let go the Metal, but the solution varying its colour, will have and keep a deeper one than before.
And when I consider the differences [Page 56] that a Skilful Observer may find, between Vinegar, Alum, Crystals of Tartar, Juice of Lemmons, Juice of Barbaries, the essential Salts (as Chymists call them) of those Plants that are sour in Tast, to omit divers other Acids, I am apt to think, that disorder'd nature may have, in a diseased Body, produc'd Acids of several sorts which are not particularly known to us, and that some of these may be of such a nature, that none of our common Alcalies, as such, is able to mortify them, and which yet may be mortify'd, at least by the way of Sheathing, by some appropriated or peculiarly modify'd Corpuscles of a Specifick Remedy which may be illustrated by what is elsewhere observ'd, that, thô neither Spirit of Vinegar, nor Spirit of Salt, nor Oyl of Vitriol it self, would, as far as I have try'd, dissolve a stone taken out of a mans Body, yet Spirit of Niter, (which does not dissolve several Podies, that I have found dissoluble in Oyl of Vitriol) [Page 57] will readily work upon it, and thereby lose, its Corrosiveness.
Before I leave this Subject, 'twill not be amiss to intimare a couple of things, that perhaps you will not think impertinent to it.
One of these is, that, whereas I not long ago distinctly nam'd Acids themselves and their Productions, I did it (not out of Inadvertence, but) because I think Preternatural Acids do not only disaffect the Body whilest they continue sensibly Acid, but may in divers cases be the causes of some Distempers, whereof most men would think them more likely to be the remedies. For, thô Acids be reputed to have an Incisive and Resolutive vertue, and therefore Oxymel and some other Acetous Medicines are commended to cut tough Phlegm, and Spirit of Vitriol is us'd for the same purpose, and to dissolve coagulated Blood; Yet, as I am willing to grant this vertue unto Acids in some cases, so there are others wherein I much [Page 58] suspect, that obstructions, and consequently the diseases that usually attend obstinate ones, may be occasion'd by Acids, as they coagulate some Fluids in the Mass of Blood, that are dispos'd to be thicken'd by them, and by that consistence made unfit to pass with the rest of the circulating Blood, through the smaller Vessels and strainers of the Body, where upon that account they make obstructions. This I shall exemplify by the coagulation that I have made by some Acid Salts, as Spirit of Salt, of the White of an Egg, especially if by beating reduc'd to an Aqueous Consistence. And the like coagulation may easily be effected in Milk, which may not only be speedily curdl'd with Spirit of Salt, but, as is known by Bodies not Chymically prepar'd, as Rennet and Juice of Lemons. And Experiments purposely made have shown, that, if some Acids be convey'd immediately into the Mass of Blood, they will coagulate even that Liquor, whilst it continues [Page 59] in the Vessels of the yet living Animals.
The other thing I lately told you, I was to observe, is, that, thô Acid Corpuscles are those, that modern Physicians and Chymists are wont to take notice of as hurtful, both in the Blood and stable Parts of the Body, except the Stomach, and perhaps some few neighbouring Parts, as the Spleen and Pancres. And, thô some ingenious men proceed so far, as to impute almost all Diseases to the bad Effects of Acids, yet I am very inclinable to think, that divers maladies and ttoublesom Symptoms proceed from Corpuscles, that, whether they be of a Saline nature or not, are different from Acids properly so call'd. For I consider, that there may be many Bodie, which may as 'twere result from the combination of Acids with other Saline Particles, that much alter their nature, as I have elsewhere noted, that Spirit of Salt will, with Spirit of Urine, compose a kind of Sal-Armoniac; and Spirit of Niter with Salt of [Page 60] Tartar dissolv'd in common Water, will concoagulate with it into Salt Petre (or a Body exceeding like it,) and the same Spirit of Niter or Aqua Fortis with Spirit of Urine, or of Blood, or the like, will afford a very fusible Salt, differing enough from what either of the Ingredients was before their conjunction. And 'tis vulgarly known, that Oyl of Vitriol, and Oyl of Tartar per deliquium, do by their coalition produce Tartarum Vitriolatum, in which the Acidity of the former, and the Alcalisateness of the latter, are very much infring'd, a third Body being by resultancy produc'd, that differs much both from the former and the latter Oyl, or rather Saline Liquor. And when, besides Instances of this nature, I consider how many differing sorts of Corpuscles so fruitful a Principle as nature may have form'd, that, without being Acid, may yet have notable and hurtful Effects upon the Blood, or some particular solid part of the Body. It seems probable to me, that there [Page 61] may be other Qualities requir'd, to mortify or disable these Morbifick Corpuscles, than a contrariety to Acid Salts, and consequently, that a Medicine that affords Corpuscles peculiarly fitted to correct or enervate this particular sort of hurtful ones, may deserve the name of a Specifick.
And here I further consider, that, as in the Body there may be divers coagulations made by Saline Corpuscles manifestly Acid; so there may be others produc'd by Corpuscles, Whether Saline in tast or no, that are not manifestly Acid, but perhaps rather of a contrary nature, which observation, being wont to be overlook'd by Physicians, and yet in my opinion of no small importance, may deserve to be a little the more carefully made out. I have sometimes for curiosity made a Liquor, that was not in Tast either Acid or Urinous; to which having put a moderate proportion of a distill'd Liquor, which it self was not in tast either [Page 62] Acid, or Urinous, or lixiviate, it would in a very short time, perhaps in not many minutes, be coagulated into so consistent a Body, that, thô the wide mouth'd Vessel were held with the Orifice downwards, nothing would fall out of it.
I have taught in another (unpublish'd Paper, that if upon a certain solution (which I there show how to make) one drop some Spirit of Urine, or anorhet Volatile Alcaly, there will presently be produc'd a Gelly, whose consistence and colour may make it easily be taken for common Starch, ready to be imploy'd to stiffen Linnen.
The like Gelly, but more transparent, I have more than once made, without the help of any thing, that is sensibly Acid or Urinous.
I have also, to convince some virtuosi, showed them somewhat to their surprise, a substance I had prepar'd without the help of Urine, or any volatile Alcaly, (and sometimes [Page 63] almost in a trice) that would in very few minutes coagulate above twice, if not thrice its weight of highly rectify'd and inflamable vinous Spirit into a stable Mass.
And to shew you, that 'tis not requisite that a Liquor be strongly, or so much as sensibly Acid, to coagulate an Animal Substance, as I lately noted, that the Spirit of Salt did the White of an egg, I shall add, that well dephlegm'd Spirit of Wine will do the same thing as well, if not better.
PROPOSITION III.
Sometimes the Specifick Medicine may help the Patient, by precipitating the Peccant matter out of the Blood, or other Liquor (of the Body) that harbours it.
Thô Precipitation be oftentimes a consequent of the Mortification of Acids, or of Alcalies, by Corpuscles [Page 64] of a contrary Quality, yet I thought fit to say something of it apart: Because I have observed that some Acids and Alcalies may be put together without causing Precipitation by their contrariety; and on the other side, that divers Precipitations may be produc'd where there do's not appear any Hostility, though I know divers ingenious men, who think this Effect it self a sufficient Argument, that the hostility of Acids and Alcalies must be the cause of it. But that should not be taken for granted, but prov'd by collateral Experiments, that do not suppose the Truth of the Hypothesis it self. But to proceed to our Exampls, I know (and elsewhere mention) several Urinous Spirits, that I could mix with Acid Menstruum without making any manifest Conflict, or Precipitation; And on the otherside, Acids and Alcalies, that will make a manifest Conflict by their mutual creation, and yet if they be mingled in a just proportion, will have for the consequent of their [Page 65] Mixture, Coalition instead of Precipitation; as may be exemplified in certain Mixtures of Spirit of Sal-Armoniac (made with Salt of Tartar, or Pot-Ashes) and Spirit of Nitre or Aqua Fortis; and also when Spirit of Urine and Spirit of Salt, being mingled in a certain proportion, convene into Corpuscles for the making of Sal-Armoniac, which the Phlegm of those Liquors will keep swimming. But that which makes most for my present purpose, is, that there may be Precipitations, where, whatever may be suppos'd, it does not appear that there is any Tumult or Contrariety, as when Silver being dissolved in Aqua Fortis, and the Menstruum diluted with 30 or 40 parts of distill'd Water, or of Rain Water, if clean Plates of Copper be immers'd in the Solution, the Metal will be very slowly Precipitated out of it, in the form not of a Calx, consisting of Metalline, and Saline Parts incorporated together, but, at least at the beginning in the form of pure shineing [Page 66] Scales of Silver, almost like the white and glittering Scales of some smal Fishes. There is also a way, by which I have brought dissolv'd Gold to settle about a Body, suspended in the Solution, in the form of a fine and high-colour'd Calx of pure Gold. But you may easily see an Instance of silent Precipitation, if you do but rub a little either Roman or Dantzick Vitriol, upon the well whetted blade of a knife wetted with Water or Spittle, for you will have the Steel, almost in a trice, overlaid with a reddish substance, which by its colour and other signs appears manifestly to be Cupreous. And here I shall advertise you, that 'tis not only, as is wont to be suppos'd, out of Solutions made with Acids, that bodies may be thus Precipitated, for upon search I have found that there are in nature Precipitants, that are capable of silently Precipitating some Bodies dissolv'd in Urinous Menstruums, or others not Acid. I know it may be suspected, and that not without colour of Reason, [Page 67] that such Precipitations may be dangerous, by producing Heterogeneous Corpuscles in the Blood, that may be too-heavy or gross to be evacuated. And I look upon this as a suspicion, for whose Resolution 'twere fit to consult Experience. But in the mean time one may represent.
1. That, thô some Inconvenience may happen from the Bulk of the precipitated Corpuscles, yet that may be much inferiour to the danger threatned by the over-active & hostile Particles, that produc'd or fomented the disease.
2. That, 'tis not necessary that all concretions should consist of Corpuscles so bulky, as to be too big to be thrown out of the Mass of Blood, for we see that stony matter, which, as the Chymical Analysis of it shews, is of a very compounded nature, may be carryed to all Parts of the Body. And I remember I knew a Lady, who a while before she told me the Story, had a stone taken out of the lower [Page 68] part of her Tongue. And Physicians, that prescribe great quantities of Mineral Waters impregnated with Iron, such as I found those of Tunbridge to be, and with Sulphur, such as some of the Bath Waters are, are wont to build their expectations of Curing with them, upon a supposition, that they are carryed into the Mass of Blood, and consequently to the innermost parts of the Body.
3. That yet 'tis possible, Precipitations may be made of matters contain'd in the Blood, by Medicines that do not get into the Mass of it. As Physicians give Steel in Substance sometimes crude, as well as oftentimes prepar'd, to mortify the Acidities of the Blood, though the Metalline Corpuscles do not, for ought we know, pass into the Mass of it, but are wrought upon by the matter, that in its circulation is thrown out of it into the Stomach & Guts, where their operation on it is probably inferr'd from the blackness, that Chalybeates are wont give the excrements [Page 69] of the lower Belly; and if they will have it, that prepar'd Steel, for instance, calcin'd with Sulphur, gets through the Pores of the Bowels, or the extremities of the capillary Vessels, into the Mass of Blood it self, 'twill be obvious to demand, why nature should not be able to expel Precipitate Corpuscles at the same passages, at which such compounded Concretions, as those of Sulphur and Metal, can get in.
4. That some may very speciously pretend; that Experience has been already consulted about the expediency of imploying Precipitating Medicines. For not to urge, that the learned and judicious Sennertus seems to intimate, that in some cases the Fibrile Matter may be surmounted by being Precipitated out of the Blood; there is a Professor of Physick, who, thô I cannot assent to some of his Principles & Doctrines, has deliver'd several considerable things about Fermentation and Feavers: & this Professor, by name Kergerus, very solemnly [Page 70] declares Ego ab anno 1649. in hunc diem per integros 14 annos ultra mille Febricitantes sine Ven., sectione, sine Purgatione, sine Sudoriseris, sine Diureticis, sine Alterantibus, sine Corrobarantibus, sine Topicis, & siquid praeterea unico fere Medicamento Praecipitante, Deo inprimis benedicente, curavi: non considerando, an Febris sit Intermittens, an Continua, an Tertiana vel Quartana (quae tamen difficilius curatur quàm aliae) nec expectatà Coctione, nec habito respectu sexûs, (ne p [...]erperis quidem exceptis) aetatis, anni, temporis, vel aliarum Circumstantiarum: & quidem paucorum dierum spatio sine Recidiva vel aliquo notabili incommodo, nisi ubi aeger ipse per Incontinentiam de novo Paroxysmos provocarit. Kergerus de Fermentatione, sect. 3. cap. 3. Pag. mihi 250., that for fourteen years he cur'd above a thousand Febricitants without bleeding, purging, or sweating Medicines, (to which he adds some others sorts) by a single precipitating Remedy. I endeavour'd to obtain from Germany an account of the truth of the matter of fact, but did not receive it; only I found that a Physician of this Emperours, does, in a lately publish'd Book, declare himself inclin'd to believe it to be true.
I shall much the more easily be induc'd to think, that great and desireable changes may be wrought [Page 71] in the fluid Parts of the Body by appropriated Precipitants, if that be true which is unanimously taught by a multitude of Physicians, who impute many Diseases to the Putrefaction of the Blood and other Liquors of the Body. For, tho certain Reasons oblige me to desire you, not to ask me any Questions about the Remedy I am going to speak of, because I must not yet Answer them; yet I am willing you should on this occasion know Historically, (what probably you will think strange) that there is in rerum natura, a certain Substance, which is so powerful an Enemy to Putrefaction, that, when a few grains or drops of it were put into a considerable quantity of Water, that had been kept till it stunk so strongly and offensively, that, if I had not known what it was, I should have judg'd the smell to have proceeded from Carrion. This Medicinal Liquor, I say, (for so I may call it,) being diffus'd by agitation through this abominably stinking Water, (which did not [Page 72] appear turbid to the Eye) in so very small a proportion, Precipitated out of it a very little and light Feculency, which being separated, the rest of the Liquor was quite freed from all stink; nor did I observe that the Feculency it self had any. And, which is very notable, all this was done in a very few minutes, by a Precipitant, whose Tast was not at all either Bitter, or Acid, or Urinous, or Lixivial. All which are Circumstances, that may afford good Hints to speculative and sagacious Inquirers.
PROPOSITION IV.
Sometimes the Specifick Remedy may work, by peculiarly strenthening, and cherishing the Heart, and by that means, or without it, the Part affected.
This Observation can scarce be made good, without entring into the Controversy, which for its difficulty and importance, has perplex'd divers Modern Physicians; whether there [Page 73] be any Medicines, that have a Sympathy with the Head, Heart, Liver &c and thereby deserve the name of Cephalic, Cordial, or Hepatic &c. Or, to speak somewhat more clearly, whether there be any Medicines, that in a peculiar manner do good to this or that particular internal part of the Body. In this dispute the Affirmative part has been held, but I doubt upon slender grounds of reason, in most of the Physick Schools for several Ages. But in our times, many do not only maintain the Negative, but deride the Opinion they have forsaken. For some of them object in a Triumphant Style, that tis ridiculous to fancy such a Sympathy, betwixt a dead Medicine, and the Parts of a living body. As that the Physician may send the Drug, as 'twere of an Errand, to find out one in the dark, among a multitude of others, and do it good offices.
But notwithstanding this, I think it very possible, that a Medicine may so far respect a particular Part, as, though not to be beneficial to that [Page 74] only, yet to be friendly to that, in a peculiar manner or degree. And this I conceive it may be, upon one or more of the Accounts, that I shall briefly mention.
And First, when I consider that the stable Parts of the Body, as the Heart, Brain, Liver, Kidneys &c. have each its particular structure, wherein it differs from others, and probably the fluid Parts also, as Blood, Gall, Lympha &c. have their distinct Textures, it seems not improbable to me, that the Corpuscles of a Medicine dissolv'd in the Stomach, and carryed too and fro by the Liquors of the Body, may according to the determinate shape, size, stiffness or flexility, motion, &c. be much more fit to be detain'd by one part of the Body, as the Brain, the Heart &c. than by the rest; and so, by lodging it self in its Pores, or associating with its Fibres, may supply it with such congruous Particle, as it either does want, or in case it do not, may by their congruity be of advantage to [Page 75] it, by re-establishing or strengthening the Tone of it. And by this Corroboration, the Part may be made able to resist the Hostilities of Morbifick Matters, which Physicians usually observe to be wont, by the more Vigorous Parts, to be thrown upon the Weakned or Distemper'd ones; as is manifest in persons that are much subject to the Gout, in whom oftentimes peccant humors are very apt, upon several occasions, to be thrown off by the nobler Parts, if they be robust, upon the frequently debilitated Joints; on which score the Gout, if it be well managed, is, not irrationally, wont to be thought conducive to long life. And on this occasion I remember, that I formerly knew a Learned Physician, who, though a great Traveller, and, as such, accustom'd to great varieties in point of Diet, had such a peculiar indisposition in his Jaw, that though he could moderately drink Wines of several sorts without inconvenience, yet the drinking even of a very little Brandy, would [Page 76] soon after give him the Tooth Ach, of which odd distemper he has sometimes complain'd to me. But this upon the by: For I must now proceed to illustrate and make probable, what I was saying of the possible fitness of some Medicinal Corpuscles, to associate themselves with those of the Part they are to befriend, by observing what happens in Nutrition, especially in that of sucking-children. For in these, one single Aliment, namely Milk, does afford, besides various excrements, such as the grosser faeces of the Guts, and the more fluid ones of the Bladder, the Mouth, the Nose, the pores of the Skin &c. a great number of Corpuscles, that are not only detain'd, but assimilated by Parts of differing Structures, as the Brain, the Heart, the Bones &c. since otherwise these parts could never be so plentifully nourished by them, as dayly to increase in all their Dimensions. And tis considerable, that some Parts, which in Babes are Cartilaginous, do in process of time become Boney, [Page 77] which change seems not probably referable to the bare exsiccation, produc'd by Native heat, increasing with the Persons Age.
Secondly, the friendly Corpuscles of a Specifick Medicine, may not only confirm the good estate of a determinate Part, but, which makes most for our present purpose, they may very much conduce to restore it to a sound condition, when it is distempered, and this they may do upon two or three Accounts.
For in the first place, those friendly Particles may dispose the Obstructing or other Morbifick matter, to be more easily and safely expell'd. And this they may do, not barely as they impregnate the whole Mass of Blood, and so may be carried by it, as well to many other Parts, as to that we now consider; but as by their particular Texture, Motion &c. they may in a peculiar manner respect that peculiar Modification, which the Peccant matter may have acquir'd by being produc'd or harbour'd in that [Page 78] determinate part: And that the distinct Structure of an affected Part may much diversifie the condition of a Morbifick matter, I argue from this, among other things, that Physicians are wont to teach (though I have found the Observation rather to hold commonly than unreservedly) that in those that are subject to this Stone, the Petrescent matter, when it is bred in the Kidneys is reddish or yellowish, but when in the Bladder, white, or of a light gray; and that the Stones that are generated in the first nam'd Parts, are more friable, or at least of a slighter Texture, than those that have their Original in the Bladder, some of which are exceeding hard, especially in comparison of large ones, that I have had out of the Bladder or Gall of lusty Animals. The aptness then that the Corpuscles of the Specifick may give the Blood, or other Liquor that conveys them, to act as an appropriated Menstruum, upon the peculiarly modified Matter that obstructs, or otherwise disaffects, [Page 79] the Liver, for Instance, may enable the Remedy, to be very helpful to that Part, by preparing the molesting Matter for expulsion. But it may also succour the same Part in another way.
For in the second place, it may so work upon the Fibres, and stable portion of the Part affected, as both to enable it, and excite it to free its self from its Enemy. For it may give firmness and strength to the Fibres of the part; it may also contemperate, or correct the immoderate heat, coldness &c. of it: It may mortify the Acid, or other incongruous Particles, that are lodg'd in the minute Intervals of the stable Parts, end perhaps, even in the Pores of the Fibres: It may appease its Convulsions, Cramps, or other inordinate motions, that hinder it from daily executing its proper Functions; it may relax or widen the Pores, according to the exigency of the work to be perform'd. And having thus, by means of its friendly Corpuscles, prepar'd the [Page 80] matter to be expell'd, and disposed the part to expell it, it may then also excite the Part to do its office, by irritating the Fibres, or motive Organs, or stimulating them to disburthen the Part of the Matter that offends it, as a very small Dose of Cantharides is known by this way of irritation, to be capable of making the Bladder forcibly, though not safely, discharge it self of Urine, and with that oftentimes expel the Sand and Gravel, or lesser Stones, and the Excrementitious Slime that molested it before.
And this Instance may be of use to us, in answering that which we formerly noted to be so confidently urged by the Rejecters of Specifick Medicines. For here we have a Medicine, though a dangerous one, whose Corpuscles have such a peculiar reference to the Bladder, and Urinary Organs, that though being gotten into the Mass of Blood, they are carried by it indiscriminately to other parts of the Body, as well as to these; yet [Page 81] oftentimes, without manifestly disaffecting the rest, they exceedingly irritate the Bladder, and determine it to the excretion of what it contains. And whereas it may be objected, that the first of the three ways, by which we noted, that a particular Part may be succour'd by a Specifick, seems contrary to the second; the former tending to corroborate the Part, and the later to relax and irritate it: I answer two things, one, that since the Part may be sometimes in a Natural, and sometimes in a Preternatural state, in the former, a Medicine may deserve the name of Friendly or Appropriated, because it keeps it sound, which is most properly done by strengthening it; and in the later it may merit the Title of a Specifick, because it helps to restore it to a state of soundness: And the other, that though to effect this Recovery, 'tis often very expedient, if not necessary, that the Medicine procure an Evacuation of some matter that offends it; yet that Evacuation [Page 82] itself is often much promoted and facilitated, by stengthening the Part so, as to enable it to disburthen it self. And the same Medicine may contain, and communicate to the Blood, Corpuscles of such differing shapes, sizes, motions &c. as may at least successively relieve the Part by both these ways; as Physicians observe that Rhubarb does, not only by its finer and Laxative Parts, purge the Liver of Choler, but by its more earthy Astringent Corpuscles strengthen the Tone of that Part: [What farther belongs to the Illustration of this matter will be met with in due place.] On this occasion, 'twill not be impertinent to add, that in some cases, this very Corroboration of a Distempered Part, may restore it to soundness; there being some Diseases of such a nature, that they are, if I may so speak, almost always in Fieri, that is, they could not continue to subsist in the affected Part, unless through its debility, and the consequences of it, it were subject to admit from [Page 83] time to time fresh recruits of peccant matter, to foment the Malady: And in such Distempers, if the Structure and Tone of the Part be re-established by the operation of the Specifick Medicine, its acquir'd vigour will enable it to resist the Ingress of new supplies of peccant Matter, and to turn them off into the Mass of Blood, to be thence discharg'd by the Common Shores of the Body; whilst in the mean time Nature will be able by degrees to subdue, dissipate, or otherwise dispose of, that comparatively little Portion of peccant Matter, that was lodg'd in the Diseas'd Part.
We have not in this Paper given any Example of the peculiar respect of a Specifick Medicine to a determinate disaffected Part, that one would think so incredible, as that a heavy stony substance, being in no great quantity taken in at die Mouth, should manifestly contribute to the Cure of a broken Bone in one of the Limbs, as the Leg or the Hands. And yet, not to urge the Testimony of [Page 84] Chymical Writers, I remember a German Physician, that was Famous for notable Cures, related Wonders to me of the efficacy of that Stone growing in his Country, which from its effect they call Osteocolla, especially if it be improv'd by a Skilful Preparation, which he communicated to me, but I had not opportunity to make Tryal of it. But without Preparation, the judicious and long experienc'd Chirurgeon Fabricius Hildanus much commends upon his own Observation a single Dram of it finely Powder'd, for the breeding of a Callus to soder together the Parts of a broken Bone: Insomuch that he gives a caution to use it but sparingly in young and vigorous Patients, lest it breed too great a Callus, of which he gives a notable Instance. And the like caution was inculcated to me from Experience, by the lately mention'd German Doctor, because otherwise (he said) his Preparation would in such Persons make the Medicine generate a Callus too soon and too great.
PROPOSITION V.
Sometimes a Specifick Medicine may do its work, by producing in the Mass of Blood, such a disposition, as may enable Nature, by correcting, expelling or other fit waies, to surmount the morbifick Matter, or other Cause of the Disease.
He that shall heedfully observe the practise of divers Learned and succesful modern Physitians, may discern that many, if not most, of their Prescriptions are founded upon a supposition, that a great Part of the Diseases incident to Mans Body, and the recovery from them, depends mainly upon the vitiated Constitution of the Blood, and the restoring it to a sound Condition.
This advantageous change of the Blood may be effected by a Specifick, several waies, (sometimes separately, and sometimes jointly,) and particularly by those that follow.
[Page 86] 1. That which I shall first name, is, by furnishing the Blood with some sort of active Corpuscles, that it needs to ferment it, or excite an useful Commotion or Agitation in it.
I will not here examine, whether the Mass of Blood, contain'd within the Vessels of a living man, is capable of a Fermentation properly and strictly so call'd; and therefore I employ'd also the word Commotion, which will be easily admitted, if the other be disliked. But in regard Fermentation is a Term that hath generally obtain'd, I shall not scruple to make use of it, after what I have intimated about it.
But because many modern Physitians, especially since the Learned Dr. Willis's Notions came to be in request, have looked upon Feavers and Agues to consist in, or be produc'd by vitious Fermentations of the Blood; I thought fit to add to the Fermentation I am about to speak of, the distinguishing Epithets of useful.
[Page 87] This premis'd, it seems not improbable to me, that, as there is oftentimes a vitious Fermentation of the Blood, so there may be sometimes a want of Fermentation, or a certain Sluggishness, upon whose account, either the brisk intestine Agitation, that it ought to have as a warm Fluid of such a Nature as 'tis wont to be in sound Persons, or a due quickness of Circulation through the Heart is wanting: To which Sluggish State of the Blood, if it be obstinate and lasting▪ several Distempers are wont to be consequent. Now, although there be divers Medicines, such as Spices, Brandy, and other Spirituous Liquors distill'd from fermented vegetables, that are usually, and oftentimes succesfully enough, employ'd to correct this dull Indisposition of the Blood; Yet in regard they are wont to be very hot, being usually pitch'd upon by those that prescribe them because they are so; there are several constitutions of [Page 88] Patients, and divers other Circumstances, wherein they are not safe, but may do more harm by their immoderate Heat, than good by their Spirituosity, Besides, that the Sluggishness of the Blood may sometimes proceed from Causes, that this sort of hot Medicines will not correct. I remember, that having for Tryals sake moderately dry'd a parcel of Human Blood, a Vinous Spirit Total inflammable would not, at least in many hours that my Experiment lasted, make a Solution of it, or draw a red Tincture from it, though it were well pulveris'd: Whereas a well rectified Ʋrinous Spirit grew red upon it in less than the tenth, or perhaps the twentieth, part of that Time.
Now a Specifick Medicine may abound in Corpuscles of such a Nature, that without dangerously, or incommodiously heating the Blood, they may disable those Corpuscles, they meet with in the Blood, that make that Liquor viscous, or roapy, or dispirited; [Page 89] and also by enlivening the Mass of Blood, if I may so speak, or puting it into a more brisk and kindly Agitation, may make it fit to throw off those Heterogeneous Parts, or recrements, that were blended with it before, and to permeate, as freely as it ought, the Viscera, whose Capillary Vessels and Pores would formerly scarce, and but very sparingingly, admit it.
That a Specifick may perform this, you will perhaps the more easily allow, if you consider, that the generality of Physitians teach, that there are several Cordials, which they style some of them Temperate, and divers of them Cold, (as in effect 'tis not usually observ'd, that they considerably, if at all sensibly, heat the Body;) as Pearls, and some of them, being gratefully Acid, should rather cool it, as Wood-sorrel ( Alleluja) and Goats-Rue ( Galega.) And 'tis very possible, that the Corpuscles, that make the Blood thick, and Sluggish, may not be of a Cold Nature, but of [Page 90] a Hot, and therefore may have their Effects rather befriended than destroy'd by divers Hot Remedies: As, if the white of an Egg be by beating reduc'd to Water, (which is not necessary to the Experiment, but shews it better) if you put to it a certain Proportion of well dephlegm'd Spirit of Wine, instead of destroying the viscosity of the Liquor, it will curdle a good part of it, and thereby produce a Body far more remote from Thinness and Fluidity.
And I remember, I once for Tryal sake made a vegetable Liquor, which, from somewhat Sluggish that it was before, did presently by the Addition of a little Spirit of Wine, grow surprisingly viscous, and roapy.
2. Another way, by which a Specifick may befriend the Mass of Blood, is, by imparting to it a dilatation or tenuity that it wants. This Second way is of much affinity to the First, but yet is not the same: Because in that, the thing mainly considered was, the Fermentation or Agitation [Page 91] of the Blood; Whereas this mainly respects the Consistence of it, which is a thing of no mean importance to health. For if the Blood be too thick, as oftentimes it is, it cannot pass so freely and readily, as it ought, through the Capillary Vessels, which thereby come to be by little and little obstructed, and the Circulation inconveniently retarded; Whence 'tis easy to foresee, that divers mischiefs must in time arise. And on the other side, if the Blood be too thin, especially if it be over much agitated too, tis apt to make its way out of the Vessels, and produce Hemorrhagies, in case it flow out of the Body, or other bad Effects that usually attend the Extravasation of the Blood. Which Liquor, when it is out of its proper Vessels, in so warm a place as a Living Human Body, is very Subject to Putrefaction, and thereby apt to produce Imposthumes and several mischievous Symptoms.
Now a Specifick Medicine may remedy this faulty Consistence of the [Page 92] Blood, by furnishing it with Corpuscles, fitted by their figure, bulk, motion, &c. to disable those peccant ones that make the Blood gross, or else to cut, or divide the Parts of the Blood it self, and so dispose them to be more fluid: Or else they may produce in it such Pores, as may, as it were invite the subtil Aetherial matter, that abounds in the Atmosphaere, to insinuate it self into the Mass of Blood, and rarifie it. And on the other side, when the Blood is too thin, as not only some Diseases, but some Medicines, especially Aloes, are wont to make it; A Specifick Remedy may reduce it to a good Consistence, either, by furnishing it with Corpuscles, apt to Combine themselves with the active ones, that did too much Attenuate the Blood; Or, by helping Nature to expel those over-busy Particles, by insensible Transpiration, or some other undisturbing way.
3: There is yet another way, by which a Specifick Remedy may conduce [Page 93] to rectifie the State of the Blood And that is, by so working on the Heart, as to make it advantageously regulate the Transmission of that Liquor through it.
That a Specifick Medicine may peculiarly befriend this or that particular Part, and consequently the Heart, is granted by the Generality of Physitians, who are wont to reckon up many Cordials, (of which yet I fear, but few deserve that name.) But, since 'tis elsewhere in this Paper shewn, that some Medicines may particularly respect a determinate Part of the Body, and consequently the Heart; One may be allowed to suppose, that the Corpuscles of a Specifick may either dissolve some Particles they meet with in the Heart, by which that Noble Viscus is by Irritation, or otherwise disturb'd in the Regularity of its Dilatations, and Contractions; Or, so Corroborate the Fibres, or Motive Organs of it, as to dispose it to moderate the Circulation of the Blood that passes [Page 94] through it, in the most advantageous way. And that the Disposition of the Heart, even when men have no sense of it in the Part it self, may be of moment as to health and sickness, will appear credible, if we reflect on two thing. One, that a living Human Body is not a meer Aggregate of Flesh, Bones, &c. But an exquisitely contriv'd, and very sensible Engine; Whose Parts are easily set a work by proper, though very Minute, Agents; And may, by their Action upon one another, perform far greater things, than could be expected from the bare Energy of the Agents, that first put them into Motion. The Second, (which supposes the first,) that the Disposition of the Heart, being, though perhaps insensibly, chang'd, it may produce a notable Alteration in the Motions of the Blood, and its passage through the Heart, in point of quantity, celerity, or both.
How much this change in the Circulation may in many Cases conduce [Page 95] to sickness or recovery may partly appear by the Effects of vehement or durable passions of the mind. As 'tis observ'd, that in a deep sorrow, which does in a manner straiten the Passages of the Heart, the Blood being too sparingly dispens'd, the enlivening Spirits are not generated plentifully enough; And (besides other bad Effects of this State of the Heart) the Blood is so dispirited, as (in these Parts of Europe) to dispose the Body to the Scurvy, which does either produce or irritate divers other Maladies. We see also, that the Passion of shame does oftentimes suddenly alter the Motion of the Blood, and make it swell the little Vessels that lye under the Cuticula of the Face, and sometimes other Parts; as is very manifest in young Maids, and other Persons of a Delicate Complexion, the white Part of whose Faces in blushing turns Red. The like Effect I have seen produc'd by a great and sudden Joy. And though Grief, which is the opposite Passion [Page 96] to it, has been usually taken notice of, as a thing that deads the Appetite to meat; Yet so much does depend upon a well moderated Transmission of the Blood, that it has been observ'd in divers Persons, and I have known an eminent Instance of it, that great Joy has very much lessen'd Hunger: Of which Effect Mr. Des Cartes ingeniously attempts to derive the cause, from the vary'd Dilatation and Motions of the Heart. And it seems not absur'd to conceive, that such like Motions may be caus'd by the Corpuscles of a Specifick Medicine; Which by affecting the Fibres of the Heart, after the like manner that Joy is wont to do, may produce in it such friendly Dilatations and Contractions, as are wont to flow from the agreeable Passions. In favour of which conjecture, I shall take notice that a Lady of my acquaintance has complain'd to me, that the smell of perfum'd Gloves is wont to make the Blood fly to her Face, and continue there for a great [Page 97] while, giving it such a colour as if shame, or joy had cover'd it with blushes. And the like she says she has observ'd in others of her Sex. But having in another Tract spoken of the power of the Passions of the mind, to alter the state of the Body, by producing changes in the Blood, that is transmitted through the Heart; what has been said may now suffice to make it credible, that a Specifick Remedy, by peculiarly befriending the Heart, may contribute much to introduce, or re-establish a healthy Crasis in the Blood. And this being thus rectified, and invigorated it self, may both befriend the Body in general, and conduce to the removal of some particular Diseases, by strengthening, and perhaps too exciting, the particular part, in which the peccant matter resides, to subdue or expel that which it already harbours, and resist any accession of more. And the Blood, being it self well constituted, as well as the stable Parts corroborated, the [Page 98] Specifick Medicine that produces these good effects, may be said to cure, tho' perhaps but slowly, divers particular Diseases; such as those elsewhere mention'd in this Paper, which to continue, must be frequently supplyed with vitious matter by the Circulating Blood.
EXPERIMENT VI.
Sometimes a Specifick Remedy may unite its Particles with those of the Peccant matter, and with them constitute a Neutrum quid, that may be easily proscrib'd, or not necessary to be expell'd.
This I take to be one of the most proper and genuine ways of doing good, that belongs to a Specifick Medicine, as such, because in this operation an effect is produc'd, either without the assistance, or beyond the meer power, of the manifest qualities (as Physicians call them) of the remedy; [Page 99] and the cure or relief the Patient finds, is usually attain'd without violence, and without tormenting or much disordering him.
This way of working of a Specifick Medicine is of near affinity with one or two of those formerly discours'd of; but yet these ways differ in some things, as may be gather'd by the sequel of § this discourse § sometimes when a certain kind of Acid has impregnated the Blood, or lodg'd it self in some stable part, as the Liver, Spleen, Kidneys, &c. The Corpuscles of a Specifick may, without any sensible luctation or conflict, which usually happens when Acids are mortify'd by Sapid Alkalies, be so qualifi'd, as both to make Coalitions with the small Parts of the Peccant Acid, and with them to constitute little Concretions, which differing from the minute Parts of the Acid, either in Bulk, Figure, Solidity, Stifness, Motion, or in two or more of these; may be quite of another nature, and of a much innocenter, [Page 100] than the Acid was before 'twas so corrected. Of this we may be furnished with a notable Illustration, by what I have elsewhere taken notice of about Aqua Fortis it self; for as corrosive a Menstruum as that is, yet by digesting it, and perhaps, distilling it too, with an equal, or rather double weight of Ardent Spirit, I found the highly Acid Liquor would be so chang'd, as not to retain any sensible corrosiveness; and exchange its piercing Stink and great Acidity, for a not only inoffensive, but pleasant Scent, and a grateful and possitively sweetish Tast. Which brings into my mind the practice of a President of the Famous London Colledge, who (as himself told me) was wont to relieve a Patient of very great Quality in Nephritick Torments, by giving her a good Dose of an inflammable Spirit. (But this upon the by.) I have elsewhere given an account of the effects of Spirit of Wine, upon several other Acid Menstruums, wherewith I mingl'd and digested it; by [Page 101] which it may appear, that it does not work upon them uniformly, as they are all of them Acids; but differingly enough, according to the Nature and Proportion of the Acid Corpuscles, with which the vinous Spirits are brought to be associated.
And, to shew that this change and contemperation of the Menstruum by the Spirit of Wine, is produc'd rather by a peculiar fitness of the convening Corpuscles of both, than by the contrariety or hostility, that the vinous Spirit, which some Moderns will have to be an Alcaly, has to the Aqua Fortis as an Acid; I shall add, that pure Spirit of Wine being mixt in a due proportion with Highly rectifi'd Spirit of Urine; which is reckon'd by Chymists among volatile Alcalies, and of which a drop or two is so fiery upon the tongue; as to be ready to burn it, or to blister it; this Vinous Spirit I say, will very much take off the caustick penetrancy of the urinous one, and compose with it a Salt much [Page 102] more moderate than the Spirit was, and which being sublim'd, or (which is better but harder to be done, N. B.) reduc'd into a Liquor, affords a mixture of no little use in fome Fevers and other Diseases as a Medicine; and with a small, if skilful alteration, is of great use in divers Chymical Experiments as a Menstruum.
A few grains of Glass of Antimony made without addition, being taken inwardly, will vehemently both vomit and purge. But tho' Wine, notwithstanding its copious Spirits, will, if it be well impregnated with the Corpuscles of this Glass, work upwards and downwards violently enough; yet of Spirit of Vinegar, that is, of degenerated Wine, be for a competent time digested upon this Glass finely powder'd, and, when the Liquor is sufficiently impregnated with the Particles of the Glass, be abstracted from it, there will emerge from the Antimonial and Acetous Corpuscles, a multitude of minute Concretions, of which many grains may [Page 103] be given without ordinarily provoking either Vomits or Stools: Which correction may hint, that 'tis not necessary that all Mortifications usefully made by Medicines, should be of Acids, since here we see, that Acids themselves prove Correctors. And perhaps it may be by some such kind of Combinations, that some Poisons (for I do not think they all work one way, or peculiarly assault the heart) may be subdued. And I have sometimes suspected, that it may as probably be upon this account, as upon any that has been offer'd, that a man stung with a Scorpion may be cur'd, by crushing the Animal that stung him upon the hurt, as is prescrib'd by many Physicians, and as an acquaintance of mine told me, he try'd upon himself (as another Virtuoso did on a Souldier) with good success: And when I consider what a multitude and variety of figures may fit the Corpuscles that are endowed with them, to make Coalitions very different from both [Page 104] the component parts; I can scarce think it very improbable, that in a Patients Body there may be made, between the Corpuscles of the Peccant matter, and those of a Medicine, such useful combinations as may produce resulting Concretions, innocent, if not also beneficial.
If I had leizure, and thought it fit, I could easily add a great number of instances, about such changes of Colours, Odours, Tasts, and other qualities, as are produc'd by the coallescence of the small parts of differing Bodies, and discourse of the natural consequent of such Coalitions: but having done that sufficiently in other Papers, it will be here more proper to intimate to you, that when a particle of peccant matter comes to be associated with one of a Specifick Medicine, that combination may alter it for the better, not only by changing its bigness and figure, but also by encreasing, or lessening its stifness, and its solidity, and giving a new modification to its motion; as [Page 105] a little attention to the natural consequences of the Coalitions of Bodies, may easily induce you to grant.
And I shall add (as it were ex abundanti) that the small Concretions, made by the union of some Morbifick with some Medicinal Corpuscles, may not only become innocent, but sometimes also beneficial, which may be illustrated by what happens by a further preparation, to common sublimate; for though this be a substance so highly corrosive and mischievous, that a few grains of it may suffice to kill a man; yet by making a Coalescence of it with less than its weight of Quicksilver, which is a Body insipid as well as modorous, the Corrosive sublimate will be so alter'd and tam'd, as to be turn'd into what Chymists call, because 'tis freed from sharpness, Mercurius Dulcis; which if it be skilfully prepar'd and given, though in the quantity of many grains, is not only for the most part an innocent thing, but a very good Medicine, and that perhaps in more [Page 106] cases than Physicians generally know it to be good in.
The newly mention'd account may hint to us a probable Argument, to show, that, notwithstanding all the digestions and changes that a Specifick Medicine may receive in its way, it may prove a salutary one, when it arrives at the Part it should relieve. For, tho' the Corpuscles of the Medicine should in their way to the Part affected be considerably chang'd, yet 'tis possible that these alter'd Corpuscles may, by that very alteration, be made Medicinal; since they may be qualifi'd, (even by those changes) when they arrive at the Part affected, to combine themselves strictly with some Corpuscles, whether Morbifick or others, that they find already there; and may with them compose new Concretions that may acquire a new Nature very friendly to the Patient. Something Analogical to this we may observe in Asparagus, which being eaten, afford store of Particles, that mixing with [Page 107] those they meet with in the Kidneys or the Bladder, produce a new Odour, very differing, both from that of meer Urine, and from that of the Plant it self. And so if good Turpentine be taken at the Mouth, 'tis known that arriving at the Kidneys and Bladder, it will mingle its minute Parts with those it meets with there; whence will emerge Corpuscles, that will impregnate the Urine with a very differing Odour, from that which belongs to either of the Liquors, since it oftentimes has a fragrancy somewhat like the smell of Violets.
Before I conclude this Paper, 'tis like it will be thought fit that I should take notice of a difficulty, that I know maybe objected, if not against the past discourse, yet against the sufficiency of it to answer the design I propose to my self in writing it. For it may be said, that, whereas my Arguments and Explications suppose all along, that the Specifick Remedies are taken in at the Mouth; 'tis known [Page 108] that divers of the Asserters of Specificks reckon among them, some that are not by swallowing taken into the Body, but only outwardly apply'd, or perhaps do but barely touch it; as may be observ'd in Amulets, Rings, &c. On occasion of this considerable difficulty, I have, if I misremember not, represented divers things in another Tract. But however it may be fit in this place, briefly to say somewhat, by way of Answerto it. We may then take notice, that the confidence with which many Physicians reject, and some of them deride, External Specificks, if I may so call them, seems to be built upon these two things: The One, that the Medicine cannot in part, as 'tis certain it do's not in the Mass, get into the Body; and the other, that, in case a Specifick should have some part of it subtil enough to gain admittance, that Part must be too small and inconsiderable, to be able to produce in the Body any such notable change, as is necessary to the expulsion of Peccant Humours, [Page 109] and the conquering of a Disease.
As to the former of these Grounds, I largely enough show in another Paper, The Paper here mean't is the Essay of the Porosity of bodys. that a Mans Skin, tho' it seems an entire continued Body, is really perforated with a great multitude, and perhaps a not inconsiderable variety, of little Cutlets and Inlets, which we call Pores; many of which are visible, even in the Skins of dead Animals, by good Microscopes; and others are manifestly inferr'd, from the numerous little drops that cover all the Skin, at the first Eruption of Sweat. And that these little Perforations may be Inlets to the finer Particles of Externally apply'd Medicines, may appear probable by several Phaenomena, such as these. That Water will soak through the Pores of a fine Bladder, and dissolve Salt of Tartar, or even white Sugar, contain'd in it: That I have prepar'd a certain Liquor, whose Fumes, tho' not agitated by Heat, would quickly penetrate [Page 110] divers Membrans of dead Animals, and manifestly work on Metalline Bodies wrapt up in them: That 'tis a known thing, that Quicksilver outwardly apply'd in Ointments, Girdles, &c. will get in at the Pores of the Skin, and invade the Internal Parts of the Body, and stay there longer, and perhaps too operate more, than the Physician desired. And when once the Effluvia of these Externally apply'd Remedies have gain'd admittance at the Pores of the Skin, 'tis not very difficult to conceive, how they may proceed further. For underneath the Cuticula or Scarf Skin, and close to it, there are so great a multitude of Capillary Vessels, that you can scarce thrust a small Pin into any Part, but that the point of it will meet and tear some of these little Vessels; as will appear by a small drop of Blood, that will be made to issue out at the new made hole, as small as it is. To which instance, if it were necessary, I could add divers others of the multitude and [Page 111] spreading of the Capillary Vessels, that lie close beneath the Skin, and for the most part carry Blood, tho' some of them may contain other Juices, and discharge their recrements by Sweat, or insensible Transpiration, at the Cutaneous Outlets. Now these Capillary Vessels, as small as they are, having their Cavities immediately continu'd with those of less slender ones, and by their intervention with those of the greater, which are branches of the greatest of all; the Corpuscles of the Medicine, once got into the Capillary Vessels, may have an easy passage, by means of the Liquors they contain, into these greater branches of the principal Veins, and so, by vertue of the Circulation, come to be quickly mingled with the Mass of Blood, and by it may be easily convey'd to all the Parts of the Body: As it has been divers times observ'd, See this at large proved by the Learned Diemerbro [...]k de Peste, lib. 2. cap. 11. in Annotat.that Arsenical Amulets worn upon the Breast, did, [Page 112] tho' they scarce touch'd the Skin, produce threatning Distempers in the Heart, and several mischievous Symptoms in other Parts of the Body. And I find it recorded in good Authors, that Cantharides, even when but held in the Hand, nay sometimes, tho' but carried in ones Pocket, transmitted their hurtful Effluvia as far as the Bladder, and excited great Pain and other bad Symptoms there.
As for the second Ground on which Specifick Remedies are rejected, that, tho' they could get entrance into the Body, yet it would be but by their Effluvia; and these are no way likely to prove efficacious enough, to have any considerable effect upon an Internal Disease: To remove this difficulty, I shall briefly observe;
1. That the number of the Corpuscles, that may pass from the outward Medicine into the Body, may be far greater, and therefore make them more considerable, than most men are apt to think. This may be [Page 113] rendred probable, by the great multitudes of Odorous, and consequently Sensible, Expirations, that are continually emitted for a very long time together, by Ambergreece, Musk, Civet, and much more by skilfully made Compositions of them. And that also subtil Effluvia, even without the assistance of Heat, may quickly penetrate Membrans so plentifully, as to act on stable Bodies contain'd in them, I have intimated a little above, and have experimentally made appear to divers curious men.
2. That the Corpuscles of a Medicine may retain their Nature, and not loose their power of operating, notwithstanding their being, as it were, strain'd through the Skin; as may be argued from the Mercury, that we not long since mention'd to have been found in the form of Quick-silver, in the Bodies of some men, that had been too frequently anonited with Mercury, mix'd up with unctuous things into an Ointment: By which [Page 114] the Patient may be as long and violently Salivated, as if he had swallow'd a Bolus or Pills with Mercury.
And so I have divers times observ'd, as I doubt not but others have oftner done, that a little Opium, mix'd up with other Ingredients for Plaisters, did by outward application take off the Acute Pains of inward Parts, tho' moderately remote from the Plaister.
3. And that the Corpuscles of a Specifick may on divers occasions act more powerfully, by getting in at the Pores of the Skin, than if the Remedy that afforded them had been taken in at the Mouth: Because if it had, the Particles might be divided, or perhaps on other accounts, (as by dilution, composition with those of the Chyle, &c.) much alter'd, by the Ferment or the Menstruum of the Stomach, by their Filtration through the Guts, and their long and winding passage through them and the Lymphiducts, before they arrive at the Heart, to be mingled with the Blood; [Page 115] whereas the Corpuscles of the External Specifick, presently after they are past the Skin, get into the Capillary Vessels of the Blood that lie under it, and by their means are speedily mix'd with the Circulating Mass of that Liquor, and so escape the formerly mention'd alterations, that other Medicines are subject to before they are admitted into the Mass of Blood. By which it may appear, that those Physicians are much mistaken, that think a Topical Medicine can at best relieve but the Part 'tis apply'd to, because its Corpuscles cannot be suppos'd to reach beyond that Part of the Body, that lies very near the Medicine they issue from. But, tho' this reasoning might be excusable enough, if not allowable, before the Circulation of the Blood was discover'd, yet, now 'tis known how great an intercourse that Liquor maintains between distant Parts of the Body, the Argument is not seasonable.
And on this occasion, I shall add an advertisement, that I remember [Page 116] not I have met with in Authors; which is, that Body's outwardly apply'd may prove Specificks for some Diseases or Distempers, that one would not think them very good for, by the bare knowledge of their effects when taken in at the mouth. Thus Camphire swallow'd, is, in the dose of a very few grains, a great heater of the Blood, and is in some Country's, perhaps not altogether without reason, extoll'd by Physicians in some kinds of ill condition'd Fevers: but outwardly it is apply'd to take off those Rednesses of the Face, that are thought to proceed from Heat of Blood; and 'tis us'd in Ointments against Burns. So Spirit of Wine, that is so hot when drunk, is a very good remedy to take out the fire, as they speak, in Burns, especially if the Part be early moistend with it. Bread, that is counted so moderate and well temper'd and Aliment, when eaten, if it be chew'd and outwardly apply'd, hath considerable vertues in several external affections. And I know an [Page 117] ancient and experienc'd Physician, that uses to purge. Children, that will not easily be brought to swallow Medicines, by applying something to their Navels, that do's not offend them by Colour, Smell, or Griping: And this himself more than once confess'd to me, is but an ordinary Aliment, that most men, and I among others, have frequently taken unprepar'd, which he freely nam'd to me, but which I have not yet had opportunity to make Tryal of.
That what we have been saying about the possible efficacy of external Specificks, may appear the less improbable, 'twill be fit to take notice of soms observations, that comport very well with our Doctrine. And though the Instances to be brought will not be all of them of remedies that deserve the name of Specificks; yet, besides that some of them may perhaps have a Title to it, they will all conduce to show, that Simples or Druggs externally apply'd, may have considerable operations against Internal Distempers of the Body.
[Page 118] 'Twere easy for me to mention a great many external Specificks out of Physicians Books. But I purposely forbear it, because to speak freely, I suspect that most of those Remedies, though greatly extoll'd, have been but little examin'd, by the deliverers of them. And it may suffice for my present purpose to alledge a few Instances that have been recommended to me, either by my own experience, or that of some Friends. Only there is one observation that is so solemnly and expresly deliver'd by Galen, upon his own knowledge, & so well back'd, by other eminent Physicians, that I shall let it lead the way. This memorable story, that is related by Galen, is of a Piony Root, which having been worn as ah Apensum about a Boy, that had been Epileptick for divers months, kept him from his Disease as long as he wore it about him; but when by an accident he ceas'd to do so, the Disease invaded him again, and yet by applying the Remedy again, he was the second [Page 119] time freed from it, which Galen observing, did for curiosity make the Root be laid aside, but finding the Fits to return, he imploy'd it again with the former success.
I liv'd in the same house with a learned and Judicious Person, that was subject to be Paralytick, who being frequently tortur'd by violent Cramps, was ordinarily and speedily reliev'd by wearing or handling the Tooth of a true Hippopotamus or River-Horse. And he affirm'd to me, that upon leaving off, the use of it, for any considerable time, either out of curiosity, or to accommodate some Friend, the Fits would return with violence upon him. I remember also, that having my self been for some years frequently subject to Cramps, and complaining of it to a Physician that had been a Traveller into cold Country's, he told me, that he had brought home with him some Rings made of the true Elks hoof, from a place where these Animals are usually imploy'd, and that with these he had [Page 120] cur'd many of the Cramp, and therewithal presented me one to make tryal of, which I the more willingly accepted, because he confess'd to me, that divers Rings that were sold for such as his, and look'd like them, were either counterfeit or of no efficacy. And tho' I did not find that if the Cramp seiz'd me in the calf of the Leg, the Ring would much relieve me, yet when the Fits were but moderate, and in other Parts, especially the hands, I found my self eas'd, so often, and so soon, that I was at first surpriz'd at it, and us'd to have the remedy laid every night by my Bed-side, to have it ready when occasion should require. And that which I thought some what strange, was, that several times, when the Cramp seiz'd my Foot or my Toes, the Pain was quickly remov'd, tho' I apply'd the Ring but to my Finger: which made me much regret the loss of it.
An eminent Physician speaking to me one day of a Patient of his, that was subject to a nocturnal Incontinentia [Page 121] Urinae, that was very inconvenient as well as shameful; I told him of an Empyrical Remedy, which is mention'd in another Paper, whose success I neither would warrant, nor did altogether dispair of, and which at least seem'd safe, tho' it should not prove effectual. This was only a simple substance, (belonging to the Animal Kingdom) that was to be worn in a sine Sarsanet Bag between the Shift and the Skin, for which a good while after the Physician gave me great thanks, telling me, that he was surpriz'd at the effect of it, and that he observ'd that when the Patient had worn it so long, that probably the vertue began to decay, that is in my sense, that the Effluvia were almost spent, the Patient found need to take a fresh Remedy, to continue the benefit she had found by the former.
I do not affirm or expect, that the three fornam'd Appensa, nor the other Remedy's I am about to mention, will always succeed. And I [Page 122] think, one may assign some not improbable reasons of the want of uniformity in their effects. But for my present argument, it suffices that they do sometimes succeed, since that is enough to show it possible, that outward Medicines may operate upon inward Distempers.
Having one day given a visit to one of the skilfullest and candidest Physicians of the Famous Colledge of London, I observ'd in his Chamber, a fine new fashion'd Clock; and having taken notice of it to him, as a thing I had not seen there before; he desir'd me not to think, he was rich and vain enough to purchase, so dear a rarity; but that it belong'd to a Courtier whom he nam'd to me, of whose Daughter he told me this story. This young Lady had a great Tumor in her Neck or Throat, which being apprehended to be of a Scrophulous Nature, made her Father fear it would oblige him to increase her Portion more than his Estate could conveniently bear. Wherefore at length [Page 123] he address'd himself to my Relator, who judging the case to be difficult, and being unwilling to torment the Lady with a long course of Physick, told the Courteour, that if he could animate her to suffer a Remedy he would propose, and would assist him to procure it, he hop'd to remove this Tumour without weakning her, or putting her to pain. Soon after, all Parties being agreed, and the desired conveniency procur'd, the Patient was brought into a Room, where there was yet in Bed the Body of a man that had dy'd of a lingring Disease. This mans Hand the Doctor took, and laid it upon his Patients Tumour, keeping it there till she either complain'd or confess'd that she felt the coldness of it penetrate to the innermost Parts of her Tumour. This application was afterwards repeated more than once, whilst the Body continued without smelling: And by this course the Tumour was dispell'd, and the Patient so reliev'd, that her Father, by way of gratitude, [Page 124] knowing how much the Physician was a lover of curiosities, made him a present of that Clock.
The Learned Doctor ascrib'd this odd Remedy to Helmont, who is indeed to be thank'd for having mention'd and recommended a Medicine, that was unlikely to be good, besides that it was not in use. But the knowledge of it seems to me to have been for the main very much ancienter than our Age: since there is mention made of one very like it by so Ancient an Author as Pliny; tho' since his time till Helmonts it hath been generally forgotten or disbeliev'd, save that one Physician ( Franciscus Ulmus) who, tho' no ill Observer, has not had the Fortune to be Famous, takes notice of a case very like that of our Courtiers Daughter, affirming, that by that one Remedy, after others had been fruitlesly imploy'd, he knew a Noble Virgin to have been perfectly cur'd.
I was one Summer, to my great surprize obnoxious to frequent Bleedings [Page 125] at the Nose; for which I sometimes us'd one Remedy, and sometimes another, for the most part with good, but not still with quick success. But falling once unexpectedly into a Fit, whose violence somewhat alarm'd me, I resolv'd to try an unusual Remedy: And having easily obtain'd of my Sister, in whose house this Accident happen'd, some true Moss of a dead Mans Scull, which had been sent her, by a great Person, for a present out of Ireland, in which Country, I found it less rare and more esteem'd than elsewhere: I was going to imploy it after the usual manner, which is to put it up into the Patients Nostrils, but before I did it, I had the curiosity to try, notwithstanding the briskness of my Haemorrhagy, whether the Medicine would produce its effect by being only held in my Hand, and therefore covering a piece of the Moss with my Fist, that the warmth might a little actuate the Medicine, I found, to the wonder of the by-standers, [Page 126] that the Blood speedily stopp'd, nor thanks be to God have I been troubled with a Haemorrhagy for some years from that very time. But this is far less strange than what was affirm'd to have happen'd to one of the Eminentest Members of the Royal Society. This Learned Gentleman, who was of a very Sanguine Complexion, found himself much affected by the use of the Moss of a human Scull, [pieces of which I have seen sticking to the Roots of the Vegetable, when it was genuine] which had so strange an operation upon him, that sometimes when he was let Blood, if for curiosities sake he held a quantity of this Moss in his Hand, the Efflux of the Blood would cease, till he laid it by again; which was not only solemnly averr'd to me by himself, but confirm'd to me by his Ingenious Physician, with both whom I had a particular Acquaintance; which otherwise I should have thought scarce credible, unless imagination, a faculty very strong in that Gentleman, [Page 127] contributed to the strange effect of the Remedy.
The hitherto mention'd External Specificks are afforded by Vegetables and Animals, which being Bodies of a slighter Texture, may be suppos'd to have their Parts more Effluviable: And therefore I shall now add two or three examples afforded by the Mineral Kingdom, which consisting of Bodies that never were living, and which are for the most part very close and compact, are generally thought to have their Parts indispos'd to emit Effluvia.
I knew a Person of great Learning, and by Profession a Physician, who enjoy'd a Health good enough, save that usually after a few hours sleep, he wak'd in the Night with great Terrors, follow'd for a long time with such violent Palpitations of the Heart, as were very troublesom, and sometimes frightful to him. To remove this Distemper, he try'd all that his Art suggested to him, but without success, Whereupon he complain'd [Page 128] of it to several of his Acquaintance; and mentioning it one day among a Company of Merchants, whereof some frequented very remote Country's; one of them told him, he would easily relieve him, by a Remedy that had been found efficacious both upon himself and others. This he told him was, to take divers flat and smooth Cornelian Stones, such as they bring from the East-Indies, to cut Rings out of, and to sow eight or ten of them to a piece of Scarlet or Flannel, to be hung about his Neck, so as that the Stones may immediately touch the Skin over against the Heart, and the Mouth of the Stomach. This Remedy the Physician procur'd, and in no long time, found the great benefit of it, insomuch that he thought he might now securely leave off the use of these Stones, which he did once or twice out of curiosity, as well as for his ease, but finding the Distemper to return each time, within very few Weeks after he had laid aside his Remedy, he resolv'd [Page 129] to keep it always on, as he had long successfully done, when he told me the story. And to convince me, presented me with some of the Cornelians, that he had, for fear of wanting them, procur'd in greater number than he needed at once. But since I have not yet had occasion to make tryal of them, I shall not conclude that the Remedy will always succeed, but only (which is enough for my present purpose) that 'tis at least possible that such an External Remedy may be very effectual.
I afterwards thought (which I here note, to add to the probability of what I have been relating) that pos;sibly those that first made use of the foremention'd Remedy, may have had a hint from what Galen saith of the Jasper: Which Stone we observe to be various in point of Colour, and I have seen in the green mixtures of Red almost as deep as that of Cornelians. Of this Stone Galen relates that some made Rings, in which were graven a Dragon having Beams [Page 130] issuing from him, and commended it as very friendly to the Stomach, being apply'd to the Mouth of it. And tho' he omitted (and found he safely might do it) the Sculpture, he yet approves the Stones upon his own frequent experience, applying them almost as our Merchant did; Galen de Simp. Med. facultatib. Lib. [...]ono. Tit. de Lapid. Sane hujus (says he) ego quo lapidis abunde feci periculum Torquem enim ex hujusmodi lapillis confectum collo suspendi ita ut lapides os ventriculi contingerent apparebant, autem nihilominus prodesse etiamsi sculpturam non haberent, &c.
I have lately mention'd the efficacy of a Cramp Ring upon some Parts of the Genus Nervosum. But some will perhaps think it more considerable, if a Stone Ring worn on the Finger shall be able to work upon the Mass of Blood, and particularly that deprav'd Portion of it, that Nature relegates to such distant Parts as the Hemorrhoidal Veins. And yet the experienc'd Monardes, having desrib'd [Page 131] the Blood-Stone that is brought from New- Spain, and represented it as a Jasper, not only commends it against Hemorrhages, being applyed to the Bleeding Part, Nic. Monard Simpl. Med. Hist. cap. 36. p. 329. but adds the following words, which declare that he speaks upon experience, Vidimus nonnullos Haemorrhoidum Fluxu afflictos Remedium sensisse, Annulos ex hoc Lapide confectos in Digito continue gestando: nec non & Menstruum Fluxum sisti.
I know you will expect here, that I should not on this occasion pretermit the Lapis Nephriticus; of which sort of Stones, tho' many have been found ineffectual against the Disease that gives them their name, and tho' it be scarce possible to choose those few that are good, without having particularly and actually try'd them; yet that some of them are of great virtue, we have the Testimony of the inquisitive and judicious Boetius, and that other Learned Writer about Gems Johannes de Laet, whose Praises [Page 132] are confirm'd by the Historical Testimonies of Monardes and others. But none that I have met speaks more home to our purpose than a considerable Merchant of Leipsick, whose rare Observations are recorded by a man of very great reading the Learned Untzer. de Nephrit. Lib. 1. cap. 24. Untzerus, to whom I refer you, contenting my self to mention in this place two of the ten Remarks he sets down, the first, that the Merchant affirm'd to our Author, that by wearing this Stone for some days, the calculous matter was so powerfully proscrib'd, that a multitude of small grains of Sand were expell'd, even at the corners of his Eyes. The like effect, to which he often observ'd of that Remedy in divers other Persons. The second, that by wearing the same Stone, his Wife who was troubled with a great Catarrh found it considerably Cathartick, insomuch that the first day she was thereby purg'd fourteen or fifteen times, the next nine or ten times, and afterwards [Page 133] had her Body kept very open. And he adds, that he found also this Stone to operate like a Purge, tho' not so strongly upon himself.
But enough, if not more than enough, of the vertues of Periapta and Appensa especially, since more instances of them may be met with in some other Papers: And even without them, or at least with them, those particulars I come from mentioning, may furnish a sufficient Answer to the Objection that has occasion'd them.
The Conclusion.
And now, Sir, you have what the consideration of the Nature of the things I treat of suggested to me, about the Principal ways, by which I conceive Specifick Medicines may cure Diseases, or at least much lessen them. I said the Principal ways, because I am far from denying, that there may be many others, that must [Page 134] not here be mention'd, lest I should too much transgress the limits that become an Epistle; especially, this being already far more prolix than I at first intended; though I purposely omitted the Authorities and Arguments of divers Physicians and Chymists, that maintain that there are Specifick Medicines, bccause they proceed upon Principles, (such as substantial Forms, real Qualities, Ideas, or Chaoses and the like,) which I could not fairly employ, because I do not admit them. But though I forbore to lengthen my discourse, by improper, and I hope needless Transcriptions out of others; yet 'tis long enough to prompt me, now at the close of it to remind you of two or three things that I declar'd at the beginning.
As First, that I did not pretend that a Specifick Medicine, or Nature by a Specifick, does commonly effect the cure by one of the particular ways that I propos'd, exclusively to the rest; since I rather think that oftentimes [Page 135] two, and sometimes more, concur to the effect. Secondly, that I propos'd to my self, to explicate the ways of working of Specifick Remedies, only in general. And Thirdly, that I did not assert, that the ways I pitch'd upon were the true and genuine ones, by which the Medicine does act, but only propounded them, as ways by which it may act: So that without being Dogmatical, I offer you my Explications, but as possible, and perhaps not improbable; and that may suffice for the occasion and scope of this Letter; in which I presume, you remember I aim'd but at shewing you, that the operations of Specifick Medicines are not irreconcileable to the Principles of the Corpuscular Philosophy: Which I hope you will without reluctancy grant, if, by my good Fortune, the difficulties that made you hesitate, seem to you to be lessen'd by so barren an intellect as mine, discoursing of an abftruce subject, which belongs to a prosession that I am not of. Upon which account [Page 136] it may be justly presum'd, that you, who have so much more sagacity, and are so much more concern'd than I in the subject I have been treating of; and who being a profess'd Physician, have much more opportunity to discover the various courses that Nature does or may take in curing Diseases; will be able to give your self far more satisfaction, than you could hope to receive from me, who have therefore propos'd to you my conjectures very diffidently, tho' I am very poisitive in asserting my self to be