BIBLIOGRAPHY 603 



1902. ZIEGLER, H. E. : Ueber den derzeitigen Stand der Descencl- 

 enzlehre in der Zoologie. Fischer, Jena. 



1904. Der Begriff des Instinktes einst uno! jetzt. Festschrift 



zu Weismann. Zool. Jahrb. Supplement vii. 



1905. Die Vererbungslehre in der Biologic. Fischer, Jena. 



pp. 74, 2 pis. and 9 figs. [The best short introduction to 

 a study of the present position of theories of heredity and 

 inheritance.] 



1906. Die Chromosomen-Theorie der Vererbung in ihrer. 



Anwendung auf den Menschen. Archiv. Rassen-Gesellsch. 

 Biologic , in. pp. 797-812. 



1910. Die Streitfrage der Vererbungslehre Naturwiss, Wochen- 



schrijt, ix. 



ADDITIONS, 1918 AND 1920 



1918. ADAMI, J. G. : Medical Contributions to the Theory of Evolution. 



Duckworth, London, pp. 372, 7 pis., 20 figs. 



1913. AGAR, W. E. : Transmission of Environmental Effects from Parent 

 to Offspring in Simocephalus vetulus. Philosophical Trans., ' 

 R. Soc. London, Series B., vol. ccm. pp. 319-350. 



1919. APERT : L'Heredite morbide. Paris, pp. 306. 



1913. BATESON, W. : " Problems of Genetics. Yale University Press, 



pp. vm. + 258, 2 pis., 13 figs. 

 1914. Presidential Address, British Association, Australia, pp. 1-38. 



1919. BLARINGHEM, L. : Les Problemes de 1'Heredite experimentale. . 



Paris, pp. 317, 20 figs. 

 1916. CASTLE, W. E. : Genetics and Eugenics. Harvard University. 



Press, pp. 353, 135 figs. 

 1915. CHILD, C. M. : Senescence and Rejuvenescence. Chicago Univer-- 



sity Press. 

 1915. CONKLIN, E. G. : Heredity and Environment in the Development : 



of Men. Princeton University Press. 



1920. DONC ASTER, L. : An Introduction to the Study of Cytology. Cam- 



bridge, pp. 280, 31 figs. 



1918. DOWNING, E. R. : The Third and Fourth Generation. An Intro- 



duction to Heredity. University of Chicago Press, pp. 164^ 

 [An admirably written introduction to the study of heredity^ 

 especially in its social aspects.] 



1919. EAST, E. M., and D. F. JONES : Inbreeding and Outbreeding. Mono- 



graphs on Experimental Biology, Philadelphia and London, 

 pp. 285, 46 figs. 



