OX THE CTENOPHORE EGG 



II 



Figs. 17—25. x60. 

 Fig. 18, embryo from 2E + 1M (Fig. 17); Figs. 20, 21 embryos jfrom 

 2E + 2M; Fig. 23 embryo from 2E+3M (Fig. 22); Fig. 25 embryo from 

 3E + 2M (Fig. 34}. 



