310 



coarfe, which gives It the appearance of being deeply 

 punftured all over : apex rather obtufe : aperture fub- 

 oval, margin thick; outer lip crenated on the infide. 

 Length one eighth of an inch ; breadth nearly one half 

 its length. 



We have found this fpecies at Falmouth in Cornwall^ 

 and on the fouth coaft o^ Devon, but rarely: have alfo 

 received it from Sandwich in Kent. 



It is fometimes taken in Guernfey, and is a flnell of the 

 Mediterranean ; but does not feem any where plentiful. 



25. 

 "SuBUMBiLicA- T. with a fmooth, fub-gloffy, conic, yellowifh-white 

 TUB. fhell : volutions four or five, very tumid, the firft occu- 



pying above half the fliell : apex rather obiufe: aperture 

 oval ; outer lip even ; inner lip a little reflexed, forming 

 a fulcus or fiib-umbilicus. Length one eighth of an inch; 

 breadth one half its lensrth. 



This fpecies, noticed by Mr. Bryer on the fhore at 

 Weymouth, differs from Turbo Ulvce in being more ven- 

 tricofe, and more tumid in the volutions, and effentially 

 in the aperture; and in being more umbilicated. 



From T. ventrofus it not onlv differs in the greater 

 proportional breadth at the bafe, but in the aperture be- 

 ing exaftly ovate, and not contracted into an acute angle 



at 



