Wenmch. — Spermatogenesis of Phrynotettix magnus. 



PLATE 5. 



Figs. 50-55. — Stages in division of the secondary spermatocytes. 

 Figs. 50, 51. — Polar views of metaphase, showing eleven and twelve chromo- 

 somes, respectively. 

 Fig. 52. — Side view of metaphase. 

 Fig. 53. — Side view of early anaphase. 

 Fig. 54. — Side view of late anaphase. 

 Fig. 55. — Polar view of telophase. 

 Figs. 56-61. — Pachytene stages of first spermatocyte. 



Figs. 56, 57 showing spireme loop of selected chromosome-pair 



"A," 

 Figs. 58, 59 showing spireme loops of selected chromosome-pair 



"B," and 

 Figs. 60, 61 showing spireme of selected chromosome-pair "C." 

 Figure 61 shows in addition the "B" spireme. 



