38 AMERICAN MARINE CONCHOLOGY. 



2. C. rosacea, Gould. Fig. 60. 



Am. Journ. Sci., xxxviii. 197. 1840. 



C. Eolbollii, Beck. Moll. 1842. 



Shell small, elongated, closely covered by very minute revolving 

 lines ; spire acute, about as long as the body-whorl, the suture 

 distinct, but faintly impressed ; aperture narrow ; outer lip sharp, 

 smooth within; columella arcuated, smooth, a little flattened. 

 White tinged with rose-color, whitish within the aperture. 



Length 7.5, diam. 3.75 mill. 



Massachusetts northward to Newfoundland. {Europe.) 



3. C. lunata, Say. Fig. 61. 



Journ. Philad. Acad., v. 213. 1826. 

 C. Gouldiana, Agassiz, Stimpson, Shells of N. England, 48. 1851. 



Shell very small, conic-oval. Whorls six, nearl}' smooth, slightly 

 convex: a single revolving line below the suture, and a few around 

 the base; suture not deeply impressed. Aperture narrow, slightly 

 angulated above, and with a short channel beneath. Columella 

 with a callus; lip simple, dentate on its inner margin ; those above 

 most prominent. Color reddish-brown or yellowish, with one or 

 more series of sublimate white spots on the body-whorl; occa- 

 sionally uniform reddish-brown, or with longitudinal dark lines. 



Length 5, diam. 2.5 mill. 



Animal pale whitish; the foot linear, nearly as long as the shell, 

 acute behind, truncate before; proboscis more than half the length 

 of the shell, obtuse at tip with a brown ambulation and another at 

 the base; tentacula short, cylindrical, annulate with blackish on 

 the middle; eyes black, at the base of the tentacula. 



Cape Cod, Mass., to Georgia. 



4. C. Wheatleyi, DeKay. Fig. 62. 



(Buecinum.-) Moll. N. York, 132, t. 7, f. 162. 1843. 

 Shell minute, small, ovate-cylindrical. Whorls six, nearly flat, 

 or at most very slightly convex, with a small and distinct suture; 

 surface smooth, with no revolving lines. Aperture narrow, sub- 

 linear with a small notch above and a short canal beneath. Body- 

 whorl, on its lower portion, near the canal, has from eight to ten 

 minute impressed revolving striae, becoming more distant above. 

 Lip simple, thin, with a ridge of minute teeth within its inner 

 edge, which are entirely wanting in the young. Callus on the 

 columella elevated, not much reflected. 



