PLATE 5. 



Fig. 2. XJnsegniented egg, actual size 264;u 



Fig. 3. First cleavage, greatest diameter 420^ 



Fig. 4. Second cleavage, greatest diameter 420/x 



Fig. 5. Third cleavage, greatest diameter 360//, 



Fig. 6. Fourth cleavage, greatest diameter 360^ 



Fig. 7. Fifth cleavage. Cleavage pore shown, 384/x 



Fig. 8. Sixth cleavage. Cleavage pore shown, 384/^ 



Fig. 9. Seventh cleavage, 3G0^ 



[2201 



