PLATE 3 
EXPLANATION OF FIGURES 
24 to 30; oc. 1, jy oil im. Later stages, showing marked inequality of sperm 
asters. Note relation of the spermatozoon to the larger aster. 
25a and b. Forty minutes after laying. 
26. Forty-six minutes after laying. The egg aster is degenerating. 
27 to 29. Copulation stages. 
27. The smaller sperm aster could not be found. Two egg and three sperm 
nuclear vesicles are shown. 
28 to 29. Formation of the male and female nuclei. 
30. Origin of the first cleavage spindle. 
232 
