His discoveries are mostly recorded in the Phil. Trans. of the Royal Society, between the years 1673 and 1723--one hundred and twelve papers in all. His discovery of bacteria is recorded in Phil. Trans, for 1683; and that of the discovery of the capillary circulation of the blood in Phil. Trans, for 1790. LiNNiEus, Carolus (1707-1778). See vol. ii., p. 299. His Systema natures was published in 1735. Tro years later (1737) he published Genera plantarum, which is generally considered as the starting-point of modern botany. His published works amount to more than one hundred and eighty. Mariotte, Edme (died 1684). See vol. ii., p. 210. Essais de physique (four essays), Paris, 1676-1679. 250 His De la nature de l'air, containing his statement of the law connecting the volume and pressure of a gas, is contained in the second essay. Newton, Sir Isaac. See vol. ii., p. 241. Philosophies naturalis principia mathematica, completed in July of 1687. The first edition was exhausted in a few months. There are several translations, among others one by Andrew Motte, New York, 1848. Paracelsus. See vol. ii., p. 159. The Hermetic and Alchemical Writings of Paracelsus, trans, by A. E. Waite, 2 vols., London, 1894. Pascal, Blaise. See vol. ii., p. 122. Récit de la grande expérience de Vêquilibre de liqueurs, Paris, 1648. Sawtree, John. See vol. ii., p. 124 ff. Of the Philosopher's Stone, London, 1652. Swammerdam, John. See vol. ii., p. 297. Bibel der Natur, trans, into German, Leipzig, 1752. Sydenham, Thomas. See vol. ii., p. 189. His first work, Methodus curandi febres, was published in 1666. His last work, Processus integri, appeared in 1692. His complete works, in Latin, were published by the Sydenham Society, London, 1844, which published also an English translation by Pr. R. G. Latham in 1848. There are several other English translations. Torricelli, Evanoelista. See vol. ii., p. 120. Opera geometrica, Florence, 1644. Tycho Brahe. See vol. ii., p. 65. De mundi aetherei recentioribus phonomenis, Prague, 1603. This has been trans, into German by M. Bruns, Karlsruhe, 1894. Vinci, Leonardo da. See vol. ii., p. 47. Leonardo da Vinci, Artist, Thinker, and Man of Science, by Eugene Muntz, 2 vols., New York, 1892, is perhaps the most complete treatment of all phases of Leonardo's work as a scientist as well as an artist. The older French work, Essai sur les ouvrages physico-mathématiques de Léonard de Vinci, by J. B. Venturi, Paris, 1797, is excellent. In German, H. Grothe's Leonardo da Vinci als Ingénieur und Philosophy Berlin, 1874, is good. III.--MODERN COSMICAL AND TELLURIC SCIENCES Agassiz, L. See vol. iii., p. 147. Etudes sur les glaciers, Neuchâtel, 1840. Arago, François J. D. See vol. Hi., p. 67. Ouvres (complete), if vols., Paris, 1854-1862. Arago's Meteorological Essays, trans, into English, London, 1855. This has an introduction by Humboldt. Boscovich, Roger Joseph. See vol. iii., p. 293.