498 Proceedings of the Royal Physical Society. 



24:4:. Weismann, A. Die Bedeutung der sexuellen Fortpflan- 

 zung fiir die Selektions-Theorie. Jena, 1886, etc. 

 Cf. former works. 



Individual peculiarities impressed by environmental influences 

 on the Metazoan parent are not known to be hereditarily 

 transmitted. 



24:5. . Zur Frage nach der Vererbung erworbener 



Eigenschaften. Biol. Centralblt., vi., 2, 1886. 



246. ZiEGLER, E. Konnen erworbene pathologische Eigenschaften 

 vererbt werden und wie enstehen erbliclie Krank- 

 lieiten und Missbildungen. Jena, 1886. 

 Corroboration of Weismann. 



Some General Works. 



(247-261.) 



JY.B. — Many other classic works on Evolution of course discuss 

 the Buffonian position, and might equally have been cited. 



247. Claude Bernard. Phenomenes de la vie communs aux 



animaux et aux vegetaux, 1870-1878. 



248. BuFFON. Histoire naturelle g^nerale. Paris, 1749. 



249. Chambers, E.. Vestiges of the Natural History of Creation. 



1844. 



250. Erasmus Darwin. Zoonomia, 1794. 



251. Ernst H^ckel. Generelle Morphologic, 1866, etc. 



252. Herder, J. G. Ideen zur Geschichte der Menschheit. 



1869. 



253. Lamarck. Philosophic zoologique, 1809, etc. 



254. Mivart St George. The Genesis of Species, 1871, etc. 



255. Nageli, K. v. Mechanish - physiologisch Theorifr der 



Abstammungslehre. Leipzig, 1884. 



256. Semper, K. The Natural Conditions of Existence as they 



affect Animal Life. London, 1881. 



