CHARACTERISTIO DEEP-SEA TYPES. — BRYOZOA. 88 
A supposed Favosites (Fig. 337), mentioned in the prelimi- 
Fig. 337. — Heteropora. 4. 
nary accounts of the results of the * Blake" expeditions, is 
probably a bryozoan genus growing in the shape of a mush- 
room and allied to Heteropora. 
