CHARACTERISTIC DEEP-SEA TYPES. BRYOZOA. 83 



A supposed Favosites (Fig. 337), mentioned in the prelimi- 



Fig. 337. Heteropora. f . 



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. 



