792 



BIBLIOGRAPHY AND AUTHOR INDEX 



the Physical Factors Affecting Them. 

 Scient. Agr., 18: 355-656. p. 389. 



Stirton, R. A., 1940. Phylogeny of North 

 American Equidae. Bull. Dept. Geol. Sc, 

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1947. Observations on Evolutionary Rates 



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 695. 



Stoddard, H. L., 1932. The Bobwhite Quail, 

 Its Habits, Preservation, and Increase. New 

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Stoner, Dayton, and Stoner, LiUian C, 1942. 

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Storey, Margaret, 1937. The Relation between 

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and Gudger, E. W., 1936. MortaUty of 



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Stork, J. W., and Renouf, L. P. VV., 1933. 

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Stout, A. B., 1945. Classes and Types of Intra- 

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Strandine, E. J., 1940. A Quantitative Study of 

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1941. Quantitative Study of a Snail 



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1941a. Effect of Soil Moisture and Algae 



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Strandskov, H. H., 1941. The Distribution of 

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1944. Physiological Aspects of Human 



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and Ondina, Doris, 1947. A Comparison 



of the Percentages of Stillbirths among 

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Strel'nikov, I. D., 1936. Deistvie solnechnoi 

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Stresemann, Erwin, 1934. Aves. Kiikonthal's 

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Strickland, A. H., 1947. The Soil Fauna of Two 



Contrasted Plots of Land in Trinidac 



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 Strohecker, H. F., 1937. An Ecological Study 



of Some Orthoptera of the Chicago Area. 



Ecology, 18: 231-250. p. 567. 

 1938. Measurement of Solar Ultra-Violet 



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 Stuart, C. A., and Cooper, H. J., 1932. Food 



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410. 

 , McPherson, M., and Cooper, H. J., 1931. 



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 Sturtevant, A. H., 1938. Essays on Evolution. 



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1939. High Mutation Frequency Induced 



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1944. Can Specific Mutations be Induced 



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1944a. Drosophila pseudoobscura. Ecol- 

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Summerhayes, V. S., and Elton, C. S., 1923. 

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Sumner, F. B., 1910. An Intensive Study of 

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1932. Genetic, Distributional, and Evolu- 

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1934. Does "Protective Coloration" Pro- 

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1935. Studies of Protective Color Change. 



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1942. Where Does Adaptation Come In? 



Am. Nat., 76: 433^44. pp. 632, 648. 



Sutton, G. M., 1931. The Blue Goose and Les- 

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Sverdrup, H. U., Johnson, M. W., and Flem- 

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