324 J- H. WODSEDALEK. 



PLATE VI. 



FIGS. 76-79. Later stages of the developing spermatozoon. Fig. 76 shows the 

 chromatoid body far down on the axial filament; Fig. 77 shows the chromatoid body 

 very close to the posterior centrosome; Fig. 78 shows the sloughed-off centrosome, 

 but the chromatoid body is absent; and in Fig. 79 both of these bodies are lacking 



FIGS. 80-83. Cast-off balls of cytoplasm. Fig. 80 shows a small body which 

 apparently is the sloughed-off centrosome; Fig. 81 shows neither the centrosome 

 nor the chromatoid body; Fig. 82 shows both bodies; and Fig. 83 represents the 

 ball of cytoplasm in the process of degeneration. 



FIG. 84. A deeply staining body occasionally found in the lumen of the tubule 

 and probably the same thing as the chromatoid body. 



FIGS. 85 AND 86. Final stages in the developing spermatozoon. Fig. 85 

 shows that the cytoplasmic ball is about to be thrown off; and Fig. 86 shows the 

 cytoplasmic mass together with the chromatoid body completely separated from 

 the spermatozoon. 



FIG. 87. Side view of a mature spermatozoon. 



FIG. 88. A mature spermatozoon. 



