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98 Couthouy’s New Species of Mollusca 
TURBO INCARNATUS. 
T. testå sub-conicå, RTR aieo convexis, transversim cre- 
è striatis; basi convexà, latè profundéque perforata; labro 
tenui, levi, Sila fulgido; vedi corneo. 
Diameter of axis seven twentieths, of basis eight twen- 
tieths of an inch. 
Habit. vicinity of Phillips’s Beach, Mass. 
My own Collection. 
Cabinets of Bost. Soc. Nat. Hist. ; A. A. Gould, M. D., 
Boston ; John C. Jay, M. D., New York. 
Description. Shell sub-conical, thin, shining ; color 
an uniform dark red ; whorls four or five, convex, impress- 
ed with numerous, fine, but well marked striz, alternating 
with others still finer, the upper portion of the body- 
whorl frequently rugose ; sutures strongly defined, base 
convex, basal stris much finer than those of the whorls ; 
umbilicus large and profound, extending quite to the 
apex; aperture nearly circular, lip sharp, dilated, pro- 
jecting at its juncture a little beyond the inferior or colu- 
mellar portion, which is in some specimens continuous ; 
interior perlaceous, resplendent ; operculum thin, horny, 
multi-spiral. 
OssEnvaTIONS. This beautiful shell, which has more 
the aspect of a tropical than a northern species, was first 
found by me, in considerable numbers, in the stomachs of 
cod and other large fish, taken between Marblehead and 
Nahant. On a subsequent visit to Phillips's Beach, I found 
it alive, upon the shore. Its form and character are very 
constant, except that in some specimens the rugose ap-- 
pearance of the upper margin of the body-whorl is hardly 
perceptible, and the young shells are occasionally 
