PLATE 5 
EXPLANATION OF FIGURES 
Histogenesis of the sperm. All the figures represent lateral views, except 145, 
which illustrates a transection of a sperm bead of the stage of fig. 144; the entire 
spermatozoon is shown in 117-126, in the others only the head and the proximal 
part of the tail are represented. 
All the figures are of cells from follicle 6; 117-122 are from testis no. 265 ; 1385-137 
from testis no. 116; the remainder from testis no. 282. 
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