PLATE 8 



EXPLANATION OF FIGURES 



78 View of a tubule containing ripe spermatozoa; the walls of the tubule are 

 lined with germinal epithelium cells. X 590. 



79 View showing the general arrangement of the tubules within the testis. 

 X 65. 



80 A group of germinal epithelium cells in various stages of proliferation. 

 X 590. 



(544 



