ARISTOTLE 



lowing bear upon certain subjects dealt with in 



G.A. : 



P. Bochert, Aristoteles' Erdkunde von Asien und Lihyen, 



19O8, and 

 H. Diller, Wander arzt und Aitiologe, 1934 (for the 



effects of climate, etc.). 

 H. Meyer, Das Fererbungsproblem bet Aristoteles, in 



Philologus, LXXV (1919), 323 ff. 

 M. Wellmann, Fragmentsammlung der sikelischen 



Arzte, 1901. 



The following more general technical works may 

 also be mentioned : 



J. S. Huxley and G. R. de Beer, The Elements of 

 Experimental Embryology, Cambridge, 1934. 



H. G. Miiller-Hess, Die Lehre von der Menstruation 

 vom Begitm der Neuzeit bis zur Begriindung der 

 Zellenlehre, Abhandl. z. Gesch. d. Naturw. u. 

 Med., 1938, no. 27. 



Aute Richards, Outlive of Comparative Embryology, 

 New York, 1931. 



D'Arcy W. Thompson, Grotvth and Form, Cambridge, 

 1917 (new ed., 1942). 



P. Weiss, Principles of Developme7it, New York, 1939- 



The standard work on its subject is Geschlecht und 

 Geschlechter im Tierreiche, by Johannes Meisenheimer 

 (1921). 



Acknowledgements 



It is a great pleasure to acknowledge here the help 

 which I have received from many friends in many 

 ways, and above all to thank them for their continuous 

 interest and encouragement. First I thank Dr. 

 W. H. D. Rouse, my old teacher and present colleague, 



