B 



D 



Fig. 107. — A. Adult hen-feathered Campine male. B. Adult male of same race that had been 

 castrated while still a young bird. When it became older it developed cock-feathering. It resembles 

 the male of another race of Campines in which the male is normally cock-feathered. C. Adult hen- 

 feathered Sebright male. D. Adult male Sebright, that had been castrated while still a younj; bird. It 

 developed cock-feathering when it became older. 



