A LIST OF SOURCES 



celui du cerveau en particulier, Paris, 1809. (This paper 

 was laid before the Institute of France in March, 1808.) 

 GOETHE, JOHANN WOLFGANG. See vol. iv., p. 140. 



Die Metamorphose der Pflanzen, 1790. 

 GRAY, STEPHEN. See vol. ii., p. 262. 



Most of his original papers appeared in the Phil. 

 Trans, between 1720 and 1737. 



HAECKEL, ERNST HEINRICH. See vol. v., p. 144. 



Naturlich Schopfungsgeschichte, 1866, rewritten in a 

 more popular style two years later as Natural History of 

 Creation. Some of his more important monographs are: 

 Radiolaria (1862), Siphonophora (1869), Monera (1870), 

 Calcarious Sponges (1872), Arabian Corals (1876), an- 

 other Radiolaria, enumerating several thousand new 

 species, accompanied by one hundred and forty plates 

 (1887), and Die Weltrathsel, trans, in 1900 as The 

 Riddle of the Universe. 

 HAHNEMANN, WILHELM VON. See vol. iv., p. 189. 



Organon der rationellen Heilkunde, Dresden, 1810. 

 HALL, MARSHALL, M.D., F.R.S.L. See vol. iv., p. 251. 



On the Reflex Functions of the Medulla Oblongata and 

 the Medulla Spinalis, in Phil. Trans, of Royal Society, 

 vol. xxxiii., 1833. 

 HUNTER, JOHN. See vol. iv., p. 92. 



On the Digestion of the Stomach after Death, first edition, 

 pp. 183-188. 



JENNER, EDWARD. See vol. iv., p. 190. 



An Inquiry into the Causes and Effects of the Variolas 

 Vaccines, London, 1799. 



LAENNEC, RENE THEOPHILE HYACINTHE. See vol. iv., p. 201. 



Traite d' auscultation mediate, Paris, 1819. 

 LAMARCK, JEAN BAPTISTE DE. See vol. iv., p. 152. 



Philosophic zoologique, 8 vols., Paris, 1801. His 

 famous statement of the supposed origin of species 

 occurs on p. 235 of vol. i., as follows: "Everything 

 which nature has caused individuals to acquire or lose by 

 the influence of the circumstance to which their race 

 is long exposed, and consequently by the influence of 



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