56 



THE EGGS OF MAMMALS 



initiate activation. But this contradiction may be resolved 

 if we consider that the same conditions may be created by 

 either active pituitary stimulation or absence of it. 



It has been shown that pituitary hormones themselves 



TABLE VII 



The Development of Ovarian Eggs of the Rabbit in Media Containing 

 Various Hormone Preparations. (From Pincus and Enzmann, 1935) 



