SPERMATOGENESIS OF THE CHICKeM 



ALICE M. BORINO AND RAYMOND PEARL 



PLATE 5 



54 



ML 



55 



■f 

 56 



57 



58 



59 



9^ 



60 



viVJiv.. 



61 



62 



66 



63 



m 



64 



67 68 



81 



65 



