262 



pillar lip fmooth. Length exceeding a quarter of an inch ; 

 breadth one eighth. 



This new and elegant fpecies, we firfl difroveredin fand 

 from Falmouth harbour, and afterwards took feveral alive 

 by dredging in Snlcomb bay, in DcvonJJiire ; but is a rare V,^ 

 {hell in both places. 



'^\ 



MuRicATus. M. with a ftrong, rough fhell, with fix or feven ventri- 



Tab. 9.f. 2. cofe, tuberculated volutions, tapering to a fine point : the • 

 tubercles are formed by interrupted, longitudinal ribs, 

 croffed bv (Irong, elevated flria^; and in fome parts are 

 pointed, or angulated : apex fmooth : aperture oval, ter- 

 minating in a long (lender canal, which together, rather 

 exceed the length of the reft of the fiiell ; outer lip fliarp, 

 and dentated at the edge ; margin within crenulated ; pillar 

 lip fmooth. Length half an inch ; breadth a quarter. 



We procured a few of this new, and rare fpecies. by 

 dredging in Salcomb bay. It is generally covered with a 

 thick orange-red epidermis, or extraneous matter., that ob- 

 fcures the markings; beneath which the fliell is white, 

 tinged with fleih-colour, and fometimes ftained greenifli. 



TuRRicuLA. M. with feven taper, ribbed fpires, of a wliite colour. 



Tab. 9. f. 1. and fomewhat gloffy, terminating in a fine point, and lari- 

 ated tranfverfely : the volutions are flronglv defined, not 



rounded. 



