499 
OVUM OF ALCYONIUM DIGITATUM. 
MATURATION OF 
It comes to lie on the extreme 
periphery of the cell, almost suggesting that it will be 
the female pronucleus. 
W 
Fic. 3.—Section of an ovum showing female pronucleus with dissolved mem- 
brane, the chromatin having also disappeared. 
Fic. 4.—Further stage of x Fig. 3. 
It gradually dwindles 
thrown out, but its fate is otherwise. 
ible (Fig. 4), 
1scernl 
to the smallest hollow vesicle, just d 
