316 F. B. SUMNER AND H. H. COLLINS 



LITERATURE CITED 



Castle, W. E. 1912 On the origin of an albino race of deer-mouse. Science, 

 vol.35, pp. 346-348. 



1914 Some new varieties of rats and guinea-pigs and their relation to 

 problems of color inheritance. American Naturalist, vol. 48, pp. 65-73. 

 1916 Genetics and eugenics. Harvard University Press. 

 1916 a Further studies of piebald rats and selection, with observations 

 on gametic coupling. Carnegie Institution Publication no. 241, pt. 

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1919 Studies of heredity in rabbits, rats and mice. Carnegie Institu- 

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1920 Second edition of Genetics and eugenics. 



Castle, W. E., and Wright, S. 1915 Two color mutations of rats which show 



partial coupling. Science, vol. 42, pp. 193-195. 

 Dunn, L. C. 1920 Linkage in mice and rats. Genetics, vol. 5, pp. 325-343. 



1921 Unit character variation in rodents. Journal of Mammalogy, 

 vol. 2, pp. 125-140. 



RiDGWAY, R. 1912 Color standards and color nomenclature. Washington: 



published by the author. 

 Sumner, F. B. 1917 Several color mutations in mice of the genus Peromyscus. 



Genetics, vol. 2, pp. 291-300. 



1918 Continuous and discontinuous variations and their inheritance 



in Peromyscus. American Naturalist, vol. 52, pp. 177-208, 290-301, 



439^54. 



1920 Geographic variation and mendelian inheritance. Jour. Exp. 

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1921 Desert and lava-dwelling mice and the problem of protective 

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1922 Linkage in Peromyscus. American Naturalist. 



Wright, S. 1917 Color inheritance in mammals. II. The mouse. Journal of 

 Heredity, vol. 8, pp. 373-378. III. The rat. ibid., pp. 426-430. 



