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AMERICAN MARINE CONCHOLOGY. 
2. C. ROSACEA, Gould: Fig. 60. 
Am. Journ. Sci., xxxviii. 197. 1840. 
C. Holbollit, 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, alittle flattened. 
White tinged with rose-color, whitish within the aperture. 
Length 7.5, diam. 3.75 mill. 
Massachusetts northward to Newfoundland. (Hurope.) 
3. C. LUNATA, Say. Fig. 61. 
Journ. Philad. Acad., v. 218. 1826. 
C. Gouldiana, Agassiz, Stimpson, Shells of N. England, 48. 1851. 
Shell very small, conic-oval. Whorls six, nearly 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 sublunate 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; pfoboscis more than half the length 
of the shell, obtuse at tip with a brown annulation 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, 182, 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 strize, 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. 
