LIST OF LITERATURE CITED 



647 



WORK, P., 1916. Methods for the standardization of vegetable varieties and strains. 



Proc. Soc. Hort. Sci. 

 WRIEDT, C., 1914. The short-eared sheep of Norway. Jahrb. fur Wisaenschaft. u 



praklishe Tierzucht. 

 WRIGHT, SEWALL, 1914. Duplicate genes. 



1917. Color inheritance in mammals. 

 1917o. Color inheritance in mammals, 

 19l7b. Color inheritance in mammals, 

 1917c. Color inheritance in mammals, 

 1917d. Color inheritance in mammals, 

 1917e. Color inheritance in mammals, 

 1817f. Color inheritance in mammals, 



1918. Color inheritance in mammals, VIII. 

 1918ct. Color inheritance in mammals, IX. 



Am. Nat., 48. 

 Jour. Hered., 8. 



II. The mouse. Ibid. 



The rat. Ibid. 



The rabbit. Ibid. 



The guinea pig. Ibid. 



Cattle. Ibid. 



The horse. Ibid. 



Swine. Jour. Hered., 9. 



The dog. Ibid. 



III. 



IV. 



V. 



VI. 



VII. 



WTMAN, A. P., and KAINS, M. G., 1897. A second account of sweet peas. Cornell 



Univ. A.E.S., Butt. 127. 

 YULE, G. U., 1912. "An Introduction to the Study of Statistics," London and New 



York. 

 ZELENY, C., and MATTOON, E. W., 1915. The effect of selection upon the "bar eye" 



mutant of Drosophila. Jour. Exp. Zool., 19. 



