Baconis (Francisci, Baronis de Verulamio) Historia Naturalis et Experimentalis de Ventis. 18mo. Amst. 1662. [H. 8. 36.]

The Philosophical Works of Francis Bacon, Baron of Verulam, methodized and made English by Peter Shaw. 3 vols. 4to. London,

1737. [R. 13. 12-14.]

BECCHERI (Joh. Joachimi) Physica Subterranea.

8vo. Lipsiæ, 1703.

[A. 19. 17.]

BIOT (M.) Recherches Expérimentales et Mathematiques sur les Mouvemens de Molecules de la Lumière autour de leur Centre de Gravité. 4to. Paris, 1814. [Dd. 1. 56.]

BOSCOVICH (R. J.) Theoria Philosophiæ Naturalis, redacta ad unicam legem virium in natura existentium. 4to. Venetiis, 1763. [Cc. 2. 53.] BOURDIN (Petri) Sol Flamma; sive Tractatus de Sole, ut Flamma est, ejusque pabulo. 8vo. Parisiis, 1646. [L. 15. 35.]

Exemplar aliud. 8vo. Parisiis, 1646. [D. 18. 2.] BOYLE (Hon. Robert).-A Catalogue of the Philosophical and Theological Books and Tracts written by the Hon. Robert Boyle, in the order of time wherein each of them hath been published respectively. 8vo. London, 1690. [K. 20. 17.]

Boyle (Hon. Robert) Philosophical Tracts, viz. Physiological Essays and New Physico-Mathematical Experiments. 4 vols. 4to. London, 1669. [E. 15. 18-21.]

Boyle (Robert) Hydrostatical Paradoxes, made out by new Experiments. 8vo. London, 1666. [K. 20. 20.]

Boyle (Robert) Experiments and Considerations touching Colours. Svo. London, 1670. [K. 20. 19.]

Boyle (Robert) An Essay about the Origin of Gems. 8vo. London, 1672. [K. 20. 3.]

Boyle (Robert) Essays of the strange Subtilty, great Efficacy, and Determinate Nature of Effluviums: to which are annexed Experiments to make Fire and Flame ponderable. 8vo. London, 1673. [K. 20. 3.] Boyle (Robert) Three Tracts, on some hidden Properties of Air, Animadversions upon Mr. Hobbes's Problemata de Vacuo, and on the Cause of Attraction by Suction. 8vo. London, 1674. [K. 20. 3.] Boyle (Robert) Reflections upon the Hypotheses of Alcali and Acidum. 8vo. London, 1675. [K. 20. 5.]

Boyle (Robert) Experiments, Notes, &c. about the Mechanical Origin or Production of divers particular Qualities. 8vo. London, 1675.

[K. 20. 5.] Boyle (Robert) The Aërial Noetiluca. 4to. London, 1680. [K. 20. 21.] Boyle (Robert) Memoirs of the Natural History of Human Blood. 8vo. London, 1684. [K. 20. 15.]

Boyle (Robert) Experiments and Considerations about the Porosity of Bodies. 8vo. London, 1684. [K. 20. 15.]

Boyle (Robert) A Free Inquiry into the Vulgar received Notion of Nature. 8vo. London, 1685-6. [K. 20. 13.]

Boyle (Robert) Short Memoirs for the Natural Experimental History of

Mineral Waters. 8vo. London, 1684-5. [K. 20. 15.]

Boyle (Robert) Disquisition about the Final Causes of Natural Things. 8vo. London, 1688. [K. 20. 2.]

Boyle (Robert) Observations on the Saltness of the Sea. 8vo. London, 1690. [K. 20. 1.]

Boyle (Robert) Experiments on the Relation betwixt Flame and Air, &c. 8vo. London, 1690. [K. 20. 4.]

Boyle (Robert) An Essay of the great Effects of even languid and unheeded Motion, and on some little-observed Causes of the Salubrity and Insalubrity of the Air. 8vo. London, 1690. [K. 20. 6.] Boyle (Roberti) Experimenta et Observationes Physicæ; wherein are treated several Subjects relating to Natural Philosophy in an Experimental way. 8vo. London, 1691. [K. 20. 18.]

BRADLEY (Richard) A Philosophical Account of the Works of Nature. 4to. London, 1721. [D. 3. 6.]

BREWSTER (David) On the Action of Transparent Bodies upon the differently coloured Rays of Light. 4to. Edinburgh, 1815. [Ee. 1. 82. Brewster (David) A Treatise on New Philosophical Instruments, with Experiments on Light and Colours. 8vo. Edinburgh, 1813. [Gg. 5. 6.] BULLIALDUS (Ismael) De Natura Lucis. 8vo. Paris. 1637. [D. 18. 6.] BURGERSDICII (F.) Collegium Physicum. 18mo. Lug. Bat. 1643.

[D. 18. 38.]

[A. 18. 106.] 8vo. [H. 19. 12.]

BURNETII (Thomæ) Archæologiæ Philosophica; sive Doctrina Antiqua
de Rerum Originibus. 8vo. Londini, 1728.
CARDANI (Hieronymi) De Rerum Varietate.
Cardani (Hieronymi) De Subtilitate Libri XXI.

12mo. Basileæ, 1582.
[H. 18. 14.]

Scaligeri (Julii Cæsaris) Exoterica Exercitationes, de Subtilitate, ad Hieronymum Cardanum. 8vo. Francofurti, 1612. [M. 22. 7.]

Exemplar aliud. 8vo. Francofurti, 1612. [H. 20. 23.] CHARLETONI (Gualteri) Economia Animalis, novis in Medicina hypothesibus superstructa et mechanicè explicata. 12mo. Londini, 1666.

[H. 18. 32.] Charleton (Walter) Physiologia Epicuro-Gassendo-Charltoniana: or, a Fabrick of Science Natural, upon the hypothesis of Atoms. folio, London, 1654. [F. 9. 15.]

CLARE (M.) The Motion of Fluids, Natural and Artificial. Svo. London, 1737. [A. 17. 78.]

A Collection of Papers which passed between M. Leibnitz and Dr. Samuel CLARKE, relating to the Principles of Natural Philosophy and Religion. folio. In Dr. Clarke's Works, Vol. IV. [N. 3. 34.] Sharpe (Gregory) A Defence of the late Dr. Samuel Clarke against the Reply of the Sieur Lewis-Philip Thummig, in favour of Mr. Leibnitz, with that Reply in French and English. 8vo. London, 1744. [R. 19. 20.] A Letter from Dr. Clarke to Mr. Benjamin Hoadly, F. R. S., occasioned by the Controversy relating to the Proportion of Velocity and Force, in Bodies in Motion. folio. In Dr. Clarke's Works, Vol. IV.

[N. 3. 34.]

CLERKE (Gilberti) Tractatus de Restitutione Corporum; in quo Experimenta Torricelliania et Boyliana explicantur, et Rarefactio Cartesiana defenditur. 8vo. Londini, 1662. [K. 8. 3.]

COLDEN (Cadwallader) An Explication of the First Causes of Action in Matter, and of the Cause of Gravitation. 8vo. New York, 1746.

[P. 304. (3.)] Eversion: [or, a Refutation of the present Principles of Mundane Philosophy. By Thomas CORMOULS.] 8vo. Wolverhampton, 1804.

[Gg. 7. 17.]

DESAGULIERS (J. T.) Physico-Mechanical Lectures. 8vo. London, 1717. [Dd. 1. 40.]

Desaguliers (J. T.) A Course of Experimental Philosophy. 2 vols. 4to. London, 1734-44. [P. 3, 2,3.]

DES CARTES (Renati) Principia Philosophiæ. 4to. Amst. 1656.

[D. 14. 7.] Des Cartes (Renati) Meditationes de Primâ Philosophiâ, in quibus Dei existentia, et Animæ humanæ à corpore distinctio, demonstrantur. His adjunctæ sunt variæ objectiones doctorum virorum in istas de Deo et anima demonstrationes; cum Responsionibus Authoris. 4to. Amstelodami, 1658. [H. 7. 30.]

Des Cartes (Renati) Meditationes de Prima Philosophia. His adjungitur Tractatus de Initiis Primæ Philosophiæ, Authore Lamberto Velthusio. 8vo. Londini, 1664. [D. 14. 33.]

Velthusii (Lamberti) De Initiis Prime Philosophie, juxta fundamenta Cartesii tradita in ipsius Meditationibus, necnon de Deo, et Mente Humana. 12mo. Traject. ad Rhenum, 1658. [F. 16. 43.]

Disputatio de Finito et Infinito, in qua defenditur sententia Cartesii de Motu, Spatio, et Corpore. 18mo. Amstelodami, 1651. [D. 18. 39.]

Wittichii (Christophori) Consensus Veritatis in Scriptura Divina et infallibili revelatæ cum Veritate Philosophica à Renato Des Cartes detecta. 8vo. Neomagi, 1659. [K. 15. 45.]

Breves in Meditationes Metaphysicas Renati Cartesii Adnotationes. 4to. Amsteladami, 1657. [M. 20. 5.]

Renati Des Cartes Principiorum Philosophia, Pars I. et II., more geometrico demonstrate per Benedictum de Spinoza. 4to. Amstelodami, 1663. [M. 20. 5.]

DEUSINGII (Antonii) Exercitationes de Motu Animalium, et Disquisitio Mathematica de Vacuo, itemque de Attractione. 18mo. Amstelodami, 1661. [H. 17. 5.]

DICKENSON (Edmundi) Ad Theodorum Mundanum Philosophum adeptum de Quintessentia Philosophorum et de Vera Physiologia, una cum Questionibus aliquot de secreta Materia Physica. His accedunt Mundani responsa. 8vo. Oxoniæ, 1686. [G. 15. 9.]

DORNEI (Gerardi) De Naturæ Luce Physica, ex Genesi desumpta, juxta sententiam Theophrasti Paracelsi. 8vo. Francoforti, 1583.

[H. 19. 36.] FAIRFAX (N.) A Treatise of the Bulk and Selvedge of the World. Wherein the greatness, littleness, and lastingness of Bodies are freely handled. 8vo. London, 1674. [M. 18. 38.]