PLATE LXV. 



FIG. 



1, 2. IDMONEA ATLANTICA, p. 451 ; portion of a branch, 

 front surface. 



3. , nat. size. 



4. , dorsal surface. 



5, 6. ENTALOPHORA CLAVATA, p. 456 ; terminal portion of 

 a branch. 



7. - , cellular apex of the branch. 



g, } n at. size. 



