CORYNACTES. 227 



1. CAPNEA SAN GUINEA, E. Forbes. 



Hab. Deep water, Isle of Man, Prof. E. Forbes; Fal- 

 mouth, on a valve of Pecten maximus, W. P. Cocks. 



A good description and characteristic figure (fig. 43) of 

 it are given in Dr. Johnston's 'History/ by Professor E. 

 Forbes, who discovered it. When expanded, it is about 

 an inch in height and one-fourth of an inch broad. The 

 colour is vermilion. It is rather an active creature, chang- 

 ing its form often, but always presenting more or less of a 

 tubular shape, like a chimney- crock, or steam -boat funnel. 

 It takes its name from a Greek word signifying a chim- 

 ney. The shape of the tentacula, which are like the embra- 

 sures on the top of a turret, and a brown woolly epider- 

 mis, distinguish it from all others of the tribe to which it 



Genus XXIX. CORYNACTES, G. J. Allman. 



Gen. Char. Body subcylindrical, but very mutable in figure, 

 adhering by an expanded base ; teritacula tiibular, with spherical 

 and imperforate capitula, contractile, surrounding the mouth in 

 one or more concentric series. G. J. Allman. 



1. CORYNACTES viRicis, G. J. Allman. 



