37 



BlCELLABIID.E. 



2. EUCRATEA CHELATA (Linnaeus). 



Parasitical on small seaweeds and on other zoophytes, between 

 tide marks and a little beyond. Bamburgh, Berwick Bay and 

 Cullercoats. Alder (a). 



Common from Stations III., IV. and V. Also found at Stations 

 II., VI., VII. and VIII. Rare between tide marks, Cullercoats. 



3. GEMELLARIA LORICATA (Linnaeus). 



Very abundant in the coralline zone. Alder (a). 

 Common from Stations I., III. and IV. Also found at Stations 

 II., VI., VII. and IX. 



Obtained from nearly every dredging. Very commonly washed 

 up along the coast. 



4. BUGULA AVICULARIS (Linn&eus). 



On shells and zoophhytes from deep water, occasionally. 

 Alder (a). 



Obtained in small quantities from Stations I., IV., VII. and IX. 

 From 17 fathoms east of Howick Burn on Hyas coarctatus. 

 Ocecia. — June and October. 



5. BUGULA PLUMOSA (Pallas). 

 From deep water boats. Alder (b). 

 Obtained once only from Station IV. 



Ocecia. — July. 

 G. BUGULA PURPUROTIXCTA, Norman. B. fastigiata 

 (Fabricius). 

 Cullercoats, common ; washed up. Coppin (a). 

 I have occasionally found this species washed up at Cullercoats, 

 and have also found a few colonies only about three-quarters of an 

 inch in height growing on shells from deep water. 



7. BUGULA FLABELLATA (J. V. Thompson). 



On Flustra foliacea, shells, &c, from the coralline zone ; not 

 rare. 



On rocks at extreme low-water mark, Bamburgh. Alder (a). 



Very young colonies, one-quarter of an inch or less in height, 

 very common on Flustra and other Polyzoa during the summer 

 months. 



Fine colonies from Stations III. and IV. Small colonies from 

 Station I. Washed up at Cullercoats. 



Ocecia. — July, August and October. 



