REFERENCES 461 



Morgan, T. H.: "The Physical Basis of Heredity," J. B. Lippincott Com- 

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: "The Theory of the Gene," Yale University Press, New Haven. 



Punnett, R. C: "Mendelism," The Macmillan Company, New York. 



Sinnott, E. W., and L. C. Dunn: "Principles of Genetics," McGraw-Hill 

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Shull, A. F.: "Heredity," McGraw-Hill Book Company, Inc., New York. 



Chapter XIV 



Darwin, Charles: "Origin of Species," London. 



: "Diary of the Voyage of the Beagle," Cambridge University Press. 



Holmes, S. J.: "The Evolution of Animal Intelligence," Henry Holt & Com- 

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Lamarck, J. B.: "Zoological Philosophy" (transl. by H. Elliott), The Mac- 

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Lull, R. S.: "Organic Evolution," The Macmillan Company, New York. 



Osborn, H. F.: "From the Greeks to Darwin," Columbia University Press, 

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Pirrson, L. V., and C. Schuchert: "A Textbook of Geology, etc.," Vol. II, 

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Romanes, G. J.: "Darwin and After Darwin," Open Court Publishing Com- 

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Romer, A. S. : "Man and the Vertebrates," University of Chicago Press, 

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Scott, W. B.: "The Theory of Evolution," The Macmillan Companv, New 

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Shull, A. F.: "Evolution," McGraw-Hill Book Company, Inc., New York. 



De Vries, H.: "Species and Varieties," Open Court Publishing Company, 

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Wilder, H. H.: "The Pedigree of the Human Race," Henry Holt & Com- 

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Yale Sigma Xi Lectures 1916-1917. "The Evolution of the Earth and Its 

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Chapters XV and XVI 



Bailey, V.: "Animal Life in the Carlsbad Cavern," Williams & Wilkins 

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Borradaile, L. A.: "The Animal and Its Environment," Froude, Hodder & 

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Brooks, W. K. : "Foundations of Zoology," The Macmillan Company, New 

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Chapman, R. L.: "Animal Ecology," McGraw-Hill Book Company, Inc., 

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Cuenot, L.: "L' Adaptation," Paris. 



Henderson, L. J. : "The Fitness of the Environment," The Macmillan Com- 

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