Shells of New England. 49 



CINGULA ARENARIA. 



Plate IV. Fig. 24. 



C. teslA minimd, sub-cylindracea, strialula, subplicata; spirA eonic4, elon- 

 gata; anfraclibus sex, convo.xis ; sutura impressu ; apertura sub-orbiculari, dim- 

 idium spirae aequante ; operculo corneo. 



Syn. Tm^ho are?iarius, Montagu. 



Shell minute, white, sub-cylindrical, sub-plicate longitudi- 

 nally, and minutely striate transversely ; spire elongated, coni- 

 cal ; whorls six, convex ; suture impressed ; aperture sub- 

 orbicular, half the length of the spire ; operculum horny. 



Length ,10 inch ; breadth ,05 inch ; divergence 30^. 



Habitat. Casco Bay, taken from the stomach of a haddock 

 in the summer of 1841. 



But few specimens, have been found, which are in the Cab- 

 inet of J. W. Mighels. 



CINGULA SEMICOSTATA. 



Plate IV. Fig. 23. 



C. testa minima, ovata ; anfractibus quinque, convexis, infra carinatis, suprk 

 plicalis ; spira conica ; sutura valde impressa ; apertura suborbiculari ; operculo 

 corneo. 



Syn. Turbo semicostatus ? Montagu. 



Shell very small, ovate-conical, of a ferruginous red color, 

 very thin ; whorls for the most part five, convex ; with longi- 

 tudinal ribs on the upper half, and revolving impressed striae 

 on the lower half ; last whorl carinate ; spire conical, obtuse ; 

 suture well impressed ; aperture nearly orbicular ; labrum thin, 

 sharp ; labium smooth ; operculum horny. 



Length ,11 inch ; breadth ,7 inch ; divergence 45*^. 



Cabinets of Bost. Soc. Nat. Hist., Dr. Gould, Mons. Lar- 

 gillier, J. G. Anthony, and our own. 



Habitat. Casco Bay ; taken from stomachs of haddock in 

 the summer of 1841. 



Remarks. We offer this with some hesitation, as identical 

 with T. se?ni-costatus, Mont. If it should finally prove to be 

 distinct, we would propose to call it Cingula carinata. 



7 



