PLATE LXXXII. 



PIG. 



1. KHABDOPLEURA NORMANL, p. 580; nat. size. 



2. . _, portion of the zoarium, with the con- 



tained polypides, very much enlarged. 



3. The polypide of R. MIRABILIS, Sars, removed from its 



cell : c, the " buccal shield ; " d } the cord by which 

 the polypide is attached to the axial rod. 



4. R. NORMANI, statoblast. 



5. , polypide bud in a very early stage. 



6. , ditto more advanced : a, one of the two 



fleshy plates between which the developing poly- 

 pide is included. 



7. , ditto in a still more advanced stage. 



[All the above figures are after Allman, with the ex- 

 ception of fig. 3, which is copied from G. O. Sars.] 



