264 BIBLIOGRAPHY 



GODLEWSKI, E. 1909. Das Vererbungsproblem im Lichte der 



Entwicklungsmechanik. Engelmann. Leipzig. 

 GOLDSCHMIDT, R. 1911. Einf iihrung in die Vererbungswissen- 



schaft. Engelmann. Leipzig. 

 JOHANSSEN, W. 1909. Elemente der exakten Erblichkeitslehre. 



Fischer. Jena. 

 HAECKER, V. 1912. Allgemeine Vererbungslehre. Vieweg 



und Sohn. Braunschweig. 

 KELLICOTT, W. E. 1911. The Social Direction of Human 



Evolution. D. Appleton and Co. New York. 

 LOCK, R. H. 1909. Recent Progress in the Study of Variation, 



Heredity and Evolution. Murray. London. 

 LOTSY, J. P. 1906-1908. Vorlesungen uber Descendenz- 



theorien. Fischer. Jena. 

 MORGAN, T. H. 1907. Experimental Zoology. The Mac- 



millan Co. New York. 

 MONTGOMERY, T. H. 1906. The Analysis of Racial Descent 



in Animals. Henry Holt and Co. New York. 

 PUNNETT, R. C. 1911. Mendelism. The Macmillan Co. 



New York. 



REID, ARCHDALL. 1905. The Principles of Heredity. Chap- 

 man and Hall. London. 



THOMSON, J. A. 1908. Heredity. Murray. London. 

 WATSON, J. A. S. 1912. Heredity. The Dodge Publishing 



Co. New York. 



WEISMANN, A. 1904. The Evolution Theory. London. 

 SCHALLMAYER, W. 1910. Vererbung und Auslese im Lebens- 



lauf der Volker. Fischer. Jena. 

 DE VRIES, H. 1905. Species and Varieties, their Origin by 



Mutation. The Open Court Publishing Co. Chicago. 



