ACTINIAD^E : CAPNEA. 203 



same texture as the polype, and glandular. It frequently gets en- 

 larged into small papillary eminences, which, as they become enlarg- 

 ed, become developed into polypes." R. Q. Couch. 



I have had the pleasure of naming this the only European Zoan- 

 thus after its discoverer, the son of Jonathan Couch, Esq., of Pol- 

 perro, so well known to naturalists, especially for his ichthyological 

 discoveries. The son has carried his researches into a different 

 field, and it has been to him productive of many additions to our 

 Fauna, which he has incorporated in a very excellent " Cornish 

 Fauna." 



IV. ACTININA. 



Ehrenberg, Corall. des roth. Meer. p. 31. 

 FAMILY ACTINIADJE. 



Genus ACTINIA, Lin. Syst. 1088. Soland. Zooph. 1. Les ACTINIES, Cuv. Reg. 

 Anim. iii. 291. ACTINIAD^, J. E. Gray in Syn. Brit. Mus. 134. 



CHARACTER. Animal single, fleshy, elongate or conical, 

 capable of extending or contracting itself, fixed by its base, but 

 with the power of locomotion : mouth in the middle of the upper 

 disc, very dilatable, surrounded by one or more rows of tenta- 

 cula : 



27. CAPNEA,* E. Forbes. 



CHARACTER. " Body cylindric, invested in part by a lobed 

 epidermis, and adhering by a broad base . Tentacula simple, 

 very short, retractile, surrounding the mouth in concentric 

 series." Forbes. 



1. C. SANGUINEA, " tentacula arranged in three series, sixteen 

 in each : body and disc scarlet : epidermis brown.' 1 '' E. Forbes. 



Kapnea sanguinea, Forbes in Ann. and Mag. Nat. Hist. vii. 82, pi. 1, fig. l,a, 6, c, d. 

 Reports publ. by Ray Soc. 379. 



Hob. Deep water. Isle of Man, E. Forbes. On the valve of a 

 Pecten maximus, four leagues west of Falmouth, W. P. Cocks. 



" In August, 1840, I dredged on the east coast of the Isle of Man, 

 about a mile from Douglas Head, a very remarkable and beautiful 

 zoophyte, of the family Actiniadce. It came from a depth of 18 

 fathoms, and the sea-bottom at the place where it was taken is 

 chiefly Milkpora. To a fragment of that coral it was adhering by 



* From xu<xvn, a chimney. 



