THE GERM CELLS OF DIPTERA 



N. M. Stevens 



i 





1. Ujt 



78 



74 



..^^ 



m 



7> 



76 



4^ --^ 



80 



81 





75 



83 





84 



85 



86 



<* 



m^— 



88 





'A 



< 



89 



90 



PLATE IV 



79 





82 



87 



91 



-h 



92 



It-- 



h 



\ 



9W 



97 





^^-^ 



^.---h 





§ 



96 



93 



94 



95 



<'^ 



3^ 



98 



99 



The Journal of Experimental Zoology, vol. v, no. 3 



