75 
twenty elevated, somewliat undulated, lines, with alternate smaller 
ones ; lines somewhat confused on the convex side of the shell, the 
larger lines with a few slightly elevated, very thick fornicated 
tubercles; apex curving laterally, tip pointing upwards and not 
elevated from the body of the shell. 
Inhabits the southern coast. 
Of this shell I found but a single specimen, which is very im- 
perfect. It seems to correspond very well with the description of 
C. intorta of the coast of England, with the exception of the form 
of the vertex, which in that species is said to turn downwards, 
whereas, in our shell, it not only turns downwards, but the curve 
is continued until the tip points upwards. 
Crepidula convexa. — Shell very convex, obsoletely wrinkled 
or glabrous, one side vertical, the other oblique ; apex prominent, 
decurved, slightly inclining towards the oblique margin, tip gene- 
rally free and extending lower than the edge of the aperture ; 
aperture suboval ; diaphragm less than half the length of the 
shell, edge simply arquated. 
Length three-fifths of an inch. Inhabits the coast of the United 
States. Cabinet of the Academy and Philadelphia Museum. 
This species is not uncommon, particularly upon our southern 
coast. The description is drawn from what are termed dead shells, 
but I have one specimen which is varied with rufous and whitish. 
Oliva mutica. — Shell suboval, white, or yellowish-white ; body 
whirl with about three revolving maculated bands of pale rufous, 
of which the superior one is continued upon the spire, the inter- 
mediate one is dilated so as to be sometimes confluent with the in- 
ferior one, which is narrowest ; spire short ; suture very narrow ; 
columella destitute of striae. 
Length more than two-fifths of an inch. Inhabits the southern 
shores. Cabinet of the Academy and Philadelphia Museum. 
A common shell, varying somewhat in color ; the bands are 
sometimes deep reddish-brown, sometimes livid, rarely all united, 
and offering only a white line near the base. It seems allied to 
the 0. zonalis as described by Lamarck, but is a larger species. 
Buccinum ornatum. — Shell subturbinated, with about two 
bands of arched scales. 
Inhabits the coast of East Florida, Cabinet of Mr. William 
Hyde. 
