2. 0, 



b. 



1* c* 



b. 



lo a. 



Pig. 19. A Single ovariole (semidiagrainmatic) showing 

 regions used In classification of treated eggsj la, b 

 and c Include eggs In metaphase I stored in egg sac; 

 2a, b and c include eggs in metaphase I, late 'and mid 

 prophase I; 3 includes eggs in early proohase I. All 

 are post-synaptic. A. R. Whiting, 1945b. 



X 62 



131 



