PARTHENOGENESIS 



183 



a 



/t 



/ 2> 3 -k 3 & 7 



I 



















































O 



















O 







o 



o 















o 











o 























(D 















1 



9. 



O 



















CD 



cb 



(D 







V 







































FIG. 94. Life cycle of Simocephalus ; successive broods in horizontal 

 lines, successive generations in vertical lines. (After Papanicolau.) 



