102 ANIMALS OF THE SEASHOliKl 



in the region. Zooecia arranged in two rows but 

 distinguished from B. turrita by its smaller size and 

 by having hooked processes in place of root fibers. 

 Not common; known from Chesapeake Bay to 

 Massachusetts. 



Bugula flabellata Thompson 



PLATE XL Fig. 17; PLATE IX. Fig. 4 



A small colony rarely exceeding an inch; easily 

 distinguished from the above two species because 

 the zooecia are arranged in three to seven rows in- 

 stead of two. 



Grows in fan-like fronds on Eel Grass, etc 

 Known from Cape May (first New Jersey record) 

 northward to northern New England. 



Electra mcnostachys Busk 

 (Membranipora monostachys Husk ) 



PLATE IX. Fig. 1 ; PLATE X. Fig. 2 ; PLATE XL Fig. 13 



Forms small irregular calcareous encrustations 

 on shells, stones, etc. Often radiate in growth. 

 Zooecia oval with usually a series of small marginal 

 spines and one more prominent basal spine. The 

 species varies considerably in the number and ar- 

 rangement of the spines and they may be entirely 

 absent. 



Shallow water to 19 fathoms from Delaware Bay 

 northward. 



