W ENRICH. — Spermatogenesis of Phrynotettix maenns 



PLATE 8. 



Figs. 87-96. — Telophases of spermatogonia, showing members of chromo- 

 some-pair "5" (all from one animal, no. 772). 



Fig. 97, a-m. — One example of chromosome-pair "B," in the pachytene stage 

 from each of the 13 animals studied. 



Fig. 98, a-p. — Examples of chromosome-pair "B" from the pachytene stage 

 of a single animal (no. 772). 



