• 1. Many ingenious Persons, especially Strangers, having pressingly endeavour'd to procure a Catalogue of the Honour­able Mr. Boyles Writings; and the Author himself being not at leasure to draw one up; 'twas thought it might be some satisfaction to those Inquirers, if I publish'd the following List, as it was drawn out, for his own use, of the Phi­losophical Transactions, as well as the [Page 4]Printed Volumes, by an ingenious French Physician, studious of the Au­thors Writings, some of which he Translated and Printed in his own Language.
• 2. The Letter L. affixt in the Margin, denotes the Book related to, to have been Translated, and Publish'd in the Latin Tongue also. Several of the rest having likewise been Translated into Latin, but not yet Publish'd.
• 3. Those that have an Asterisk prefix'd to them, came forth without the Authors Name, thô 'tis not doubted, but they are His.
• 4. Divers of those mention'd as drawn out of the Transactions, did proba­bly come abroad in Latin; some of the Transactions themselves having been publish'd in that Language.

L NEw Experiments Physico-Mecha­nical, touching the Spring and Weight of the Air, and its Effects, (made for the most part in a new Pneu­matical Engine) written by way of Letter to the Right Honourable Charles Lord Viscount of Dungarvan, Eldest Son to the Earl of Cork, by the Honourable Robert Boyle, Esquire.

L A Defence of the Doctrine, touching the Spring and Weight of the Air, pro­pos'd by the Author in his New Phy­sico-Mechanical Experiments; against the Objections of Franciscus Linus, wherewith the Objectors Funicular Hy­pothesis is also examin'd.

An Examen of Mr. Tho. Hobbes's Dia­logus Physicus de Natura Aeris, as far as it concerns the Authors Book of New Experiments touching the Spring of the Air; with an Appendix touching Mr. Hobbes's Doctrine of Fluidity and Firmness.

These three together in a Volume in 4 ^o, being a second Edition; the first at Oxford 1662, had been pub­lish'd Anno 1660. The two others at London 1662, had been publish'd Anno 1661.

L The Sceptical Chymist, &c. 1661.

L Physiological Essays, or Tentamina, Written and Collected upon divers Times and Occasions, with an History of Fluidity and Firmness in 4 ^o. 1662.

L An Experimental History of Co­lours begun, 8 ^o. 1663.

Some Considerations touching the usefulness of Experimental Natural Phi­losophy, propos'd in a familiar Discourse to a Friend, by way of Invitation to the study of it; a second Edition 4 ^o. Oxford 1664. The first had been publish'd 1663.

Of the Usefulness of Natural Philoso­phy, the second Part; the first Section, of its Usefulness to Physick, with an Appendix to this first Section of the se­cond Part, 4 ^o. 1669.

Of the Usefulness of Experimental Natural Philosophy, &c. the second Tome, containing the later Section of the second Part, 4 ^o. Oxford 1671.

The first Volume of these Three Books contains five Essays.

The first, Of the Usefulness, &c. Prin­cipally as it relates to the Mind of Man.

The second, A Continuation of the former.

The third, A further Continuation.

The fourth, A requisite Digression concerning those, who would exclude the Deity from intermedling with Matter.

In the fifth, The Discourse, inter­rupted [Page 7]by the late Digression, is resum'd and concluded.

The Second Volume contains like­wise five Essays.

The first, Of the Usefulness, &c. As to the Physiological part of Physick.

The second, As to the Pathological part of Physick.

The third, As to the Semeiotical part of Physick.

The fourth, As to the Hygieinal part of Physick.

The fifth, As to the Therapeutical part of Physick, in 20 Chapters.

The Third Volume contains six Essays.

The first, General Considerations a­bout the Means, whereby Experimental Philosophy may become useful to Hu­man Life.

The second, Of the usefulness of Ma­thematicks to Natural Philosophy.

The third, Of the usefulness of Me­chanical Disciplines to Natural Philo­sophy.

The fourth, That the Goods of Man­kind may be much encreas'd by the Na­turalists insight into Trades, with an Appendix.

The fifth, Of doing by Physical Know­ledge, what is wont to require Manual Skill.

The sixth, Of Mens great Ignorance of the Uses of Natural Things.

An Experimental History of Cold, and some Discourses Concerning New Thermometrical Experiments, and Thoughts about the Doctrine of Anti­peristasis; with

An Examen of Mr. Hobbes's Doctrine touching Cold, a second Edition, 4 ^o 1665.

Attempts of a way to convey Liquors immediately into the Mass of Blood, communicated in the Philosophical Transactions of December the 4th. 1665.

Observations and Experiments upon the Barometer or Ballance of Air, in­vented, directed, and begun, Anno 1659. communicated to Dr. Beal that continu'd them, and mention'd in the Transacti­ons of February the 12th, and March the 12th. 1666.

L Hydrostatical Paradoxes made out by new Experiments, for the most part Phy­sical and easie, occasion'd by Monsieur Paschal's Tract of the Equilibrium of Li­quors, and of the weight of the Air, 1666.

An account of an Earth-quake near Oxford, and the Concomitants thereof, communicated in the Philosophical Transactions of April the 2d. 1666.

New Observations and Directions about the Barometer, in the same.

General Heads for a Natural History of a Country, great or small, commu­nicated in the same.

L The Origine of Forms and Qualities illustrated by Considerations and Expe­riments, in two Parts, 8 ^o. 1666.

A way of preserving Birds taken out of the Egg, and other small Faetus's, communicated in the Philosophical Transactions of May 7th. 1666.

An Account of a new kind of Baros­cope, which may be call'd Statical, and of some advantages and conveniencies it hath above the Mercurial, communi­cated in the Philosophical Transactions of July the 2d. 1666.

A new Frigorific Experiment, shew­ing how a considerable degree of Cold [Page 10]may be suddenly produc'd, without the help of Snow, Ice, Hail, Wind or Nitre, and that at any time of the year, com­municated in the Philosophical Trans­actions of July 18th. 1666.

Tryals propos'd to Dr. Lower for the improvement of transfusing Blood out of one live Animal into another, com­municated in the Philosophical Trans­actions of February the 11th. 1666.

L Free Considerations about Subordi­nate Forms, being an Appendix to the Origine of Forms and Qualities publish'd last year, and reprinted with this, 1667. 8 ^o.

A Letter to the Author of the Philoso­phical Transactions, giving an Informa­tion of some Experiments which he had made himself several years ago, by injecting acid Liquors into Blood, upon the occasion of those communicated by Signior Fracassati, in a Letter written from Oxford, October the 19th. 1667.

New Experiments concerning the Relation between Light and Air, (in shining Wood and Fish) in a Letter from Oxford to the Publisher of the Phi­losophical Transactions of January the 6th. 1668.

A Continuation of the same Letter in the Philosophical Transactions of Fe­bruary the 10th. 1668.

A Continuation of new Experiments, Physico-Mechanical, touching the Spring and Weight of the Air, and their Ef­fects; The first Part. With a Discourse of the Atmospheres of Consistent Bodies, Oxford, 1669.

An Invention for estimating the Weight of Water with ordinary Bal­lances and Weights, in the Philosophical Transactions of August the 16th. 1669.

L Certain Philosophical Essays and other Tracts, a second Edition; with a Discourse about the Absolute rest of Bo­dies, 4 ^o. London 1669. The first Edi­tion had been published, Anno 1662.

New Pneumatical Experiments about Respiration, upon Ducks, Vipers, Frogs, &c. communicated in the Philosophical Transactions of August 8. 1670.

A Continuation of the same Experi­ments in the Philosophical Transacti­ons of September the 12th. 1670.

L Tracts: About the Cosmical Qualities of Things: The Temperature of the Subterraneal and Submarine Regions, and the bottom of the Sea; together [Page 12]with an Introduction to the History of particular Qualities, 8 ^o. Oxford 1670.

L Tracts: A Discovery of the admira­ble Rarefaction of the Air (even with­out Heat:) New Observations about the duration of the Spring of the Air. New Experiments touching the conden­sation of the Air by mere Cold, and its compression without Mechanical Engines, and the admirably differing extensions of the same quantity of Air, rarefied and compress'd, 4 ^o. London 1670.

L An Essay about the Origine and Virtues of Gems, 8 ^o. London 1672.

Some Observations about shining Flesh, both of Veal, and a Pullet, and that without any sensible Putrefaction in those Bodies, communicated by way of Letter to the Publisher of the Phi­losophical Transactions, in the Transacti­ons of December the 16th. 1672.

A new Experiment concerning an effect of the varying weight of the Atmosphere upon some Bodies in the Water, the Description whereof was presented to the Lord Broncker, Anno 1671. Suggesting a conjecture, that the alterations of the very Weight of the [Page 13]Air, may have considerable Operations, even upon Mens Sickness or Health, communicated in the Philosophical Transactions of February the 24th. 1673.

Tracts: Containing new Experiments, touching the Relation between Flame and Air, and about Explosions. An Hydrostatical Discourse, occasion'd by some Objections of Dr. Henry Moor, &c. to which is annexed an Hydrosta­tical Letter about a way of weighing Water in Water: New Experiments of the positive, or relative, levity of Bo­dies under Water: Of the Airs-Spring on Bodies under Water, and about the differing Pressure of heavy Solids and Fluids, 8 ^o. London 1672.

L Essays of the strange Subtilty, great Efficacy, and determinate Nature of Effluviums; to which are annex'd new Experiments to make the Parts of Fire and Flame, Stable and Ponderable, with Experiments about arresting and weighing of Igneous Corpuscles; and a Discovery of the perviousness of Glass to ponderable parts of Flame, 8 ^o. London 1673.

A Letter of September the 13th. 1673. concerning Ambergreece, and its being [Page 14]a Vegetable Production, mention'd in the Philosophical Transactions of Octo­ber the 6th. 1673.

L Tracts: Observations about the saltness of the Sea: An account of the Statical Hygroscope, and its Uses, toge­ther with an Appendix about the force of the Airs Moisture, and a Fragment about the Natural and Preternatural state of Bodies. To all which is pre­mis'd a Sceptical Dialogue about the positive or privative Nature of Cold, 8 ^o. London 1674.

L A Discourse about the Excellency and Grounds of the Mechanical Hy­pothesis, occasionally propos'd to a Friend, annex'd to Another entituled, The Excellency of Theology, compar'd with Natural Philosophy, 8 ^o. London 1674.

An account of the two sorts of the Helmontian Laudanum, together with the way of the Noble Baron F. M. Van Helmont (Son to the famous John Baptista) of preparing his Laudanum, communicated in the Philosophical Transactions of October 26th. 1674.

L Tracts: Containing, 1. Suspicions a­bout some hidden Qualities of the Air, [Page 15]with an Appendix touching Celestial Magnets, and some other Particulars. 2. Animadversions upon Mr. Hobbes's Problemata de vacuo. 3. A Discourse of the Cause of Attraction by Suction, 8 ^o. London 1674.

Some Physico-Theological conside­rations about the possibility of the Re­surrection, annex'd to a Discourse, en­tituled, The Reconcileableness of Reason and Religion, 8 ^o. London 1674/1675.

A Conjecture concerning the Blad­ders of Air, that are found in Fishes, communicated by A. J. and illustrated by an Experiment, suggested by the Author in the Philosophical Transacti­ons of April the 26th. 1675.

A New Essay-Instrument, invented and described by the Author, together with the Uses thereof, in three Parts.

The first shews the occasion of making it, and the Hydrostatical Principles 'tis founded on.

The second describes the Constructi­on of the Instrument.

The third represents the Uses, which, as relating to Metals, are

• 1. To discover, whether a propos'd Guinea be true, or counterfeit.
• [Page 16]2. To examine divers other Gold Coins, and particularly half Guinea's.
• 3. To examine the new English Crown Pieces of Silver.
• 4. To estimate the goodness of Tin and Pewter.
• 5. To estimate Alloys of Gold and Silver, and some other Metalline Mix­tures. All this maketh up the Philoso­phical Transactions of June 21. 1675.

Ten new Experiments about the weaken'd Spring, and some unobserved Effects, of the Air, where occur not only several Tryals to discover, whether the Spring of the Air, as it may divers ways be increas'd, so may not by other ways than Cold or Dilatation be weaken'd; but also some odd Experiments to shew the change of Colours producible in some Solutions and Precipitations by the Operation of the Air, communicated in the Philosophical Transactions of December the 27th. 1675.

An Experimental Discourse of Quick­silver growing hot with Gold, English and Latin, communicated in the Philo­sophical Transactions of February 21. 1676.

Experiments, Notes, &c. about the Mechanical Origine or Production of divers particular Qualities, amongst which is inserted a Discourse of the Imperfections of the Chymists Do­ctrine of Qualities, together with some Reflections upon the Hypothesis of Alcali and Acidum, 8 ^o. London 1676.

This Discourse comprehends Notes, &c. about the Mechanical Origine and Production Of Cold.

• Of Heat.
• Of Tasts.
• Of Odours.
• Of Volatility.
• Of Fixtness.
• Of Corrosiveness.
• Of Corrosibility.
• Of Chymical Precipitation.
• Of Magnetical Qualities.
• Of Electricity.

New Experiments about the super­ficial Figures of Fluids, especially of Liquors contiguous to other Liquors: Likely to conduce much to the Physical Theory of the grand System of the World, communicated in the Philoso­phical Transactions of January the 29th. 1676/1677.

A Continuation of the same Experi­ments in the Philosophical Transactions of February the 26th. 1676/1677.

The Sceptical Chymist, of Chymico-Physical Paradoxes, touching the Expe­riments whereby vulgar Spagyrists are wont to endeavour to evince their Salt, Sulphur and Mercury to be the true Principles of Things; to which in this Second Edition are subjoyn'd divers Experiments and Notes about the Pro­ducibleness of Chymical Principles, 8 ^o. Oxford 1680.

L A Second Continuation of new Expe­riments Physico-Mechanical, in which, various Experiments, touching the Spring of the Air, either compress'd or artificial, are contain'd, with a De­scription of new Engines to perform them, 1680.

L The Aerial Noctiluca, or some new Phoenomena, and a Process of a factiti­ous self-shining Substance, 8 ^o. London 1680.

L The Glacial or Icy Noctiluca, with a Chymical Paradox founded on new Experiments, whence it may be made probable, that Chymical Principles may [Page 19]be converted one into another; 8 ^o. Lon­don 1680.

L Memoirs for the Natural History of Human Blood, especially the Spirit of that Liquor, London 1684.

L Experiments and Considerations a­bout the Porosity of Bodies in two Essays: The former of the Porousness of Animal Bodies, the other of the Po­rousness of Solid Bodies, 8 ^o. London 1684.

Short Memoirs for the Natural Ex­perimental History of Mineral Waters, 8 ^o. 1684/1685.

An Historical account of a strange­ly self-moving Liquor, communicated in the Philosophical Transactions of November the 26th. 1685.

L Of the Reconcileableness of Speci­fick Medicines to the Corpuscular Philosophy, to which is annex'd a Discourse about the advantages of the use of Simple Medicines, propos'd by way of Invitation to it, 8 ^o. London 1685.

An Essay of the great Effects of Lan­guid and unheeded Motion. To which is annex'd an Experimental Discourse of some unheeded Causes of the Sa­lubrity [Page 20]and Insalubrity of the Air and its Effects, 8 ^o. London 1685.

L* A free Inquiry into the vulgarly re­ceiv'd Notion of Nature, in an Essay address'd to a Friend, 8 ^o. London 1685/1686.

* A Disquisition about the Final Causes of Natural Things. With an Appendix of some Uncommon Ob­servations about vitiated sight, 8o. London 1687/1688.