80 



THREE CRUISES OF THE " BLAKE. 



of Sicily and England, is abundant off Florida to a depth of 

 over 120 fathoms. It generally takes the shape of a hollow 

 cone. Among the Cellulariae, Cellularia cervicomis (Figs. 327, 

 327 a) and Caber ea retiformis (Fig. 328) are interesting repre- 



Fig. 328. — Caberea retiformis. 

 Magnified. (Smitt.) 



Fig. 329. — Vincularia abyssicola. ^. 



sentatives, the last closely allied to a typical Australian species. 

 Other species of this group are similarly allied to Australian 

 types. Vincularia abyssicola (Fig. 329), from 450 fathoms, is a 

 most variable species, likely to be placed even in distant families 



Fig 330. — Escharipora 

 stellata. f . 



Fig. 330 a. — Escharipora stel- 

 lata. Magnified. (Smitt.) 



at different periods of its growth, while either in the creeping 

 or in the erect stage. Escharipora stellata (Figs. 330, 330 «) 



