136 



Experimental Orclieetomy in Birds 



(1) 



(-') 



Fig. 8. (1) Sliows Regenerated Testes. Life 

 size of Blue Checquer Cock. 



(2) Shows Normal Testes of Fantail. Same 

 size and age for comparison. 



(1) 



(2) 



Fig. 9. (1) Shows I'hoto Life size of Atrophied 

 Testes removed from Fantail Cock, age 9 years, 

 Sterile 18 months. 



(2) Shows Normal Testes of Fantail, same 

 size 3 years old. 



