106 PHYSICAL BASIS OF HEEEDITY 





Fig. 45. — Cells emerging from the resting stages preparatory for the next spermatagoni 

 division. (After Wenrich.) 



Fkj. 46. 



-Cells emerging from their last spormatagonial division, a. b\ passing into the 

 synapsis stage, c, d; (After Wenrich.) 



