342 THE PHYSIOLOGY OF REPRODUCTION 



FIG. 83. Ovariotomised brown Leghorn hen. (From Goodale.) The bird 

 shows male feathering and spurs, but the comb and other erectile structures 

 are not hypertrophied. 



FIG. 84. Ovariotomised pullet with plumage and spurs of male, 

 i.e. of neutral type according to Pezard. (From Pezard.) 



