24 



The Journal of Heredity 



Columbian Male 



Black Female 



Duckwing Male Birchen Female Columbian Male 



CHART SHOWING COLOR INHERITANCE IN CROSS OF BLACK 



FiGURK 12. In the first generation the males are of the Duckwing type, the females of the 

 with Columbian female, three types of plumage color are encountered: Duckwing males and Bir 

 always females. In the reciprocal cross of black male by Columbian female all males were of the 

 father. Thus in this cross is found the same type of sex-linked inheritance found in the Buflf-Colur 



