PLATE 1 
EXPLANATION OF FIGURES 
CXJMINGIA 
A Normal egg. 
B Centrifuged egg; polar body extruded in pigment area. 
C Centrifuged egg; polar body extruded in oil cap. 
D Centrifuged egg; polar body extruded in clear zone. 
E Centrifuged egg; polar body extruded in clear zone. 
F Centrifuged egg; with oil cap and pigment displaced. 
G Centrifuged egg; drawn at 2-cell stage, oil in small cell. 
U Centrifuged egg; drawn at 2-cell stage, oil in large cell. 
/ Centrifuged egg; drawn at 2-cell stage, oil in both cells. 
J Centrifuged egg; drawn at 4-cell stage derived from G. 
K Centrifuged egg; drawn at 4-cell stage derived from H. 
L Centrifuged egg; drawn at 4-cell stage derived from I. 
