LITERATURE 185 



GALTON'S STIRP THEORY. 

 Francis Galton : A Theory of Heredity. Contemporary Review, 

 vol. xxvii., pp. 80-95. 



WEISMANN'S THEORY. 



A. Weismann : Essays on Heredity and Kindred Subjects. Oxford, 



1891. 

 The Germ-Plasm. The Walter Scott Publishing 



Co., Ltd. London, 1893. 

 The Evolution Theory (a short resume). Edward 

 Arnold. London, 1904. 



THEORY OF DEVELOPMENT. 

 Oscar Hertwig : The Biological Problem of To-day. London, 1 896 . 



ALCOHOLISM-IMMUNITY. 

 Archdall Reid : The Principles of Heredity. London, 1905. 



MENDELISM. 



R. C. Punnett: Mendelism. Cambridge, second edition, 1907. 

 W. Bateson : Mendel's Principles of Heredity. Cambridge Uni- 

 versity Press. Cambridge, 1909. 

 See also Lock and Lotsy. 



BIOiMETRICS. 



Francis Galton : Natural Inheritance. London, 1889. 



Karl Pearson : The Grammar of Science. A. and C. Black. 



London, second edition, 1900. 

 H. M. Vernon : Variation in Animals and Plants. London, 1903. 

 R. H. Lock : Recent Progress in the Study of Variation, Heredity, 



and Evolution. John Murray. London, 1906. 

 J. P. Lotsy : Vorlesungen iiber Descendenztheorie {not translated). 



Jena, 1906. 



EUGENICS. 



Francis Galton : Essays in Eugenics. The Eugenics Education 

 Society. London, 1909. 



Also Pearson, and others. See Bibliography in Thomson's " He- 

 redity " and publications of the Eugenics Education Society. 



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