BIBLIOGRAPHY 
LIST OF FIFTY BOOKS FROM WHICH EXCERPTS HAVE BEEN QUOTED 
Bascock, ERNEST Brown, and CLAUSEN, Roy Etwoop. Genetics in 
Relation to Agriculture. The McGraw-Hill Book Co., 1918. 
Bateson, Witt1am. Problems of Genetics. Yale University Press, 1913. 
CasTLe, WILLIAM E. Genetics and Eugenics. Harvard University Press, 
2d ed., 1920. 
CHILD, CHARLES MANNING. “Regulatory Processes in Organisms.” 
Jour. Morph., XXII (1911). 
ConkLin, Epwin Grant. Heredity and Environment. Princeton Uni- 
versity Press, 3d ed., 1920. 
CouLTErR, JoHN M., and Coulter, MERLE C. Plant Genelics. The 
University of Chicago Press, 1918. 
Crampton, Henry Epwarp. 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. 
Darwiy, Francis. Life and Letters of Charles Darwin. John Murray, 
London, 1888. 
Denby, ArtHur. Ouilines of Evolutionary Biology. D. Appleton & Co., 
1916. 
Der Vries, Huco. Species and Varieties. The Open Court Publishing 
Co., 1904. 
Downinc, Ettior Rowitanp. The Third and Fourth Generation. The 
University of Chicago Press, 1918. 
Ermer, THEODORE. On Orthogenesis. The Open Court Publishing Co., 
1898. 
Gapvow, Hans. The Wanderings of Animals. Cambridge University 
Press, 1913. 
Guyver, Micoart 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, Davin Starr, and KELLOGG, VERNON L. Evolution and Animal 
Life. D. Appleton & Co., 1908. 
Jupp, Joun W. The Coming of Evolution. Cambridge University Press, 
IQII. 
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