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Keeble, F., and Pellew, C. 



1910. The mode of inheritance of stature and of time of flowering in peas {Pisum 



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1918. Studies on inbreeding. I. The effects of inbreeding on the growth 



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V. 26, p. 1-54. 

 1918. Studies on inbreeding. II. The effects of inbreeding on the fertility 



and on the constitutional vigor of the albino rat. Jour. Expt. ZooL 



V. 26, p. 55-98. 



1918. Studies on inbreeding. III. The effects of inbreeding with selection ^ 



on the sex ratio of the albino rat. Jour. Expt. Zool., v. 27, p. 1-35. 



1919. Studies on inbreeding. IV. A further study of the effects of inbreeding 



on the growth and variability in the body weight of the albino rat. 

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MOENKHAUS, W. J. 



1911. The effects of inbreeding and selection on fertility, vigor and sex ratio 

 of Drosophila ampelophila. Jour. Morph., v. 22, p. 123-154. 



Morgan, T. H., Sturtevant, A. H., Muller, H. J., Bridges, C. B. 



1915. The mechanism of Mendelian heredity. 262 p. 

 Pearl, R. 



1913. A contribution toward an analysis of the problem of inbreeding. Amer. 

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1914. On the results of inbreeding a Mendelian population; a correction and ex- 

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RITZEMA-BOS, J. 



1894. Untersuchungen iiber die Folgen der Zucht in engster Blutverwandtschaft. 

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 Shull, G. H. 



1908. The composition of a field of maize. Amer. Breed. Assoc. Rpt. 1908, v. 

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1911. The genotypes of maize. Amer. Nat., v. 45, p. 234r-252. 

 Shull, A. F. 



1912. The influence of inbreeding on vigor in Hydatina senta. Biol. Bui., v. 24, 

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Weismann, a. 



1904. The evolution theory. (Trans. J. A. Thomson and M. R. Thomson.) 

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 Wentworth, E. N. 



1913. The segregation of fecundity factors in Drosophila. Jour. Gen., v. 3, 

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Whitney, D. D. 



1912. Reinvigoration produced by cross fertilization in Hydatina senta. Jour. 

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 Wright, S. 



1920. The relative importance of heredity and environment in determining the 

 piebald pattern of guinea pigs, Proc. Nat. Acad. Sci., v. 6, p. 320-332. 



1921. Systems of mating. Genetics, v. 6, p. 111-178. 

 Wright, S., and Lewis, P. A. 



1921. Factors in the resistance of guinea pigs to tuberculosis with especial regard 

 to inbreeding and heredity. Amer. Nat., v. 55, p. 20-50. 

 Zeleny, C. 



1920. The tabulation of factorial values. Amer. Nat., v. 54, p. 358-362. 



