162 THE EMBRYOLOGY OF THE HONEY BEE 



OpPI ._ B 



AntMeso 



SoeGng 



Fig. 6i. Transverse sections through the head of three embryos of dif- 

 ferent stages, to illustrate the development of the corpora allata, (Cor All). 

 A, Stage X ; B, Stage XI ; C, Stage XIII-XIV, x 387. 



