NORTHUMBERLAND AND DURHAM. 151 



Family. FLUSTRID^, Gray. 



39. FLUSTRA, Linnceus. 



1. F. FOLIAGE A, Lin7l. 



Johns. Brit. Zooph., 342, t. Ixii., f. 1,2. 

 Common on hard ground in a few fathoms water. 



2. F. TRUNCATA, Linfi. 



Johns. Brit. Zooph., 344, t. Ixii., f. 3, 4. 

 In the Laminarian and Coralline zones; abundant. 

 A variety with the ends expanded into undulating foliations, 

 as figured by Sir John Dalyell under the name of Flustra papy- 

 racea (Rare and Rem. Anim. of Scotl., v. 2, t. vii.), has occurred 

 to me once at Cullercoats. It is a curious and interesting form, 

 arising from an abnormal growth, and the fusion of several of 

 the terminal branchlets into one. 



40. CARBASEA, Gray, 

 1. C. PAPYREA, Pallas. 



Flustra carhasea, Johns. Brit. Zooph, 345, t. Ixiii., 



f. 1, 2. 

 Carbasea papyrea, Busk, Catal., 50, t. 1., f. 1 — 3. 

 From deep water; frequent. 



41. ESCHARA, Eay. 



1 . E. FOLiACEA, Ellis and Solander. 



Johns. Brit. Zooph., 350, t. Ixvii. 

 From deep water, Embleton Bay ; rare. — i?. EmUeton^ Esq. 

 South coast of Durham. — J. Hogg., Esq. 



2. E. CRiBRARiA, Johns. 



Johns. Brit. Zooph., 352, t. Ix., f. 7—9. 

 Busk in Journ. Micros. Scien., No. 16 (1856), 311, 

 t. xii., f. 1—3. 

 From the deep-water fishing boats ; occasionally. Berwick 

 Bay, in 35 fathoms. — Dr. Johnston. Northumberland 

 coast. — A. Hancock^ Esq.; Prof. W. King; and J. A. 



VOL. III. PT. II. T 



