BRITISH ZOOPHYTES. 197 



pinnated tentacles. They are very sluggislij and did 

 not expand." 



3. G. PLACOMTJS. 



Tliis species is a native of JSTorway. Ellis describes 

 it as " the Warted Sea Fan/^ and states that it was 

 found in Cornwall, but as no one else appears to have 

 found it since, it may be considered as a doubtful 

 member of the British Fauna, 



4. G. ANCEPS, Dale. 



Hab. : Near Margate (Dale). 



This, also, is a doubtful British species. 



5. G. FLABELLUM-VENERIS. 



This is one of the best known representatives of the 

 genus ; but its claims to be British are doubtful, as, 

 although several localities are given, the specimens 

 found had been, in all probability, thrown overboard 

 fi'om some homeward-bound vessel. 



Group Pennatulida. 



FAMILY III. PENNATULIDyE, Kolliker. 



Genus Pennatula. 



True sea-pens, with well-developed leaves, in which 

 there are no zooids, and no very large calcareous rods, 

 but a number of small spicules. Zooids situated along 

 the whole ventral surface of the rachis, and also on the 

 lateral surfaces between the leaves. Polyps iu cups, 

 beset with calcareous spicules. Calyx processes vari- 

 able in number. — Kolliker. 



1. P. phosphorea, Linn. Plate XV„ fig. 3. 



P. rubra, var. /3. (Pall.), P. britannica (E. and S.), 

 P. alba {Esper), P. rubra [D. Chiaje, Ehr.), Penna rosea 

 [Bohadsch), Phosphorella phosphorea (Gray). 



