PLATE E. 



MOLLIA GRANIPERA. 



Explanation of lettering. 

 «, Ciliary plume. e^ Endocyst. 



h, Mouth of the gastrula. e^, Ectocyst. 



c, Oculiform points. /, Fatty globules. 



d, Obscure portion of the cavity I, "Zone anhiste." 



of the .body comprised be- p, Polyp, 

 tween the two branches of the 

 stomach. 



Figs. 1, 2. The oral and aboral face of a free embryo. xl50. 



Fig. 3. The first stage of metamorphosis, showing the beginning of 

 the calcareous incrustation ; the rudimentary polyp already 

 exists ; the fatty globules are less abundant. xl25. 



Fig. 4. The same more advanced. xl25. 



Figs. 5-9. Showing the manner of the growth and increase in number 

 of the cells, page 473. 



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