A HISTORY OF SCIENCE 



work as a scientist as well as an artist. The older 

 French work, Essai sur les ouvrages physico - mathema- 

 tiques de Leonard de Vinci, by J. B. Venturi, Paris, 

 1797, is excellent. In German, H. Grothe's Leonardo 

 da Vinci als Ingenieur und Philosoph, Berlin, 1874, is 

 good. 



III. MODERN COSMICAL AND TELLURIC 

 SCIENCES 



AGASSIZ, L. See vol. iii., p. 147. 



Etudes sur les glaciers, Neuchatel, 1840. 

 ARAGO, FRANCOIS J. D. See vol. iii., p. 67. 



CEuvres (complete), 17 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. 



Theoria philosophies naturalis redacta ad unicam kgem 

 virium in natura existentium, Vienna, 1758. 

 BRADLEY, JAMES. See vol. iii., p. 13. 



Concerning an Apparent Motion Observed in Sonic of 

 the Fixed Stars, London, 1748, Phil. Trans., vol. xlv., pp. 

 8,9. 



CUVIER, BARON DE. See vol. iv., p. 103. 



Recherches sur les ossements jossiles de quadrup'edes , 4 

 vols., Paris, 1812. (The introduction to this work was 

 translated and published as a volume bearing title of 

 Theory of the Earth, New York, 1818.) 



DELAMBRE, JEAN BAPTISTE JOSEPH. See yol. iii., p. 16. 



Histoire d 'astronomie , Paris, 1817-1821. This work 

 contains not only the history of the discoveries in as- 

 tronomy, but is also a complete text-book of astronomy 

 as understood at this period. 



FALCONER, HUGH. See vol. iii., p. 99. 



In Paloeontological Memoirs, vol. ii., pp. 596-598. 

 252 



