BIBLIOGRAPHY 



LIST OF FIFTY BOOKS FROM WHICH EXCERPTS HAVE BEEN QUOTED 



BABCOCK, ERNEST BROWN, and CLAUSEN, ROY ELWOOD. Genetics in 



Relation to Agriculture. The McGraw-Hill Book Co., 1918. 

 BATESON, WILLIAM. Problems of Genetics. Yale University Press, 1913. 

 CASTLE, WILLIAM E. Genetics and Eugenics. Harvard University Press, 



sd ed., 1920. 

 CHILD, CHARLES MANNING. "Regulatory Processes in Organisms." 



Jour. Morph., XXII (1911). 



CONKXIN, EDWIN GRANT. Heredity and Environment. Princeton Uni- 

 versity Press, 3d ed., 1920. 

 COULTER, JOHN M., and COULTER, MERLE C. Plant Genetics. The 



University of Chicago Press, 1918. 

 CRAMPTON, HENRY EDWARD. The Doctrine of Evolution. The Columbia 



University Press, 1911. 

 DARWIN, CHARLES. The Origin of Species. D. Appleton & Co., with 



additions from the sixth and last edition, 1893. 

 DARWIN, FRANCIS. Life and Letters of Charles Darwin. John Murray, 



London, 1888. 

 DENDY, ARTHUR. Outlines of Evolutionary Biology. D. Appleton & Co., 



1916. 

 DEVRTES, HUGO. Species and Varieties. The Open Court Publishing 



Co., 1904. 

 DOWNING, ELLIOT ROWLAND. The Third and Fourth Generation. The 



University of Chicago Press, 1918. 

 EIMER, THEODORE. On Orthogenesis. The Open Court Publishing Co., 



1898. 

 GADOW, HANS. The Wanderings of Animals. Cambridge University 



Press, 1913. 



GUYER, MICHAEL F. Being Well-Born. The Bobbs-Merrill Co., 1918. 

 . "Immune Sera and Certain Biological Problems." Amer. Natur., 



LV (1921). 

 HENDERSON, LAWRENCE J. The Fitness of the Environment. The Mac- 



millan Co., 1913. 

 HERBERT, S. The First Principles of Evolution. Adam and Charles Black, 



London, 1913. 

 JORDAN, DAVID STARR, and KELLOGG, VERNON L. Evolution and Animal 



Life. D. Appleton & Co., 1908. 

 JUDD, JOHN W. The Coming of Evolution. Cambridge University Press, 



.1911. 



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