188 
DESCRIPTION OE SPECIES', 
MONOGRAPH OF THE GENUS STROPHIA, 
( Continued from Page 135.) 
24- STROPHSA UVA Linn. 
Grape Strophia. 
Plate XYI. 1 & 1a; Fig,, 51, sliell. 
Turvo uva Linn. Syst. Nat., XIII ed.,p. 361, No. 68 
DESCRIPTION. 
Sp. Cii. Size, medium, Shell, not heavy. Striations, present. 
Teeth, two, very short and both close together, Whirls, 1 1 , very narrow. 
Form of shell, short and oval, with the greatest diameter at the 
third and fourth whirls, while the first and fifth are about equal in di- 
ameter, from the fifth whirl the shell narrows gradually to the rounded 
a 1> c 
A B c 
Fig. 51, 
apex. The whirls, excepting the first, are narrow, the second, third, 
and fourth being of about the same width, while these and the fifth, tak- 
en together equal the first. The striations are quite prominent. Fig. 
51, a, (where they are enlarged) 22 on the first whirl; they are very reg- 
ularly arranged in lines, and are about an equal distance apart, the in- 
terspaces being a little wider than the prominences. The striations are 
smooth and rounded on top. 
Aperture, small and contracted, measuring a little less within, than 
at the entrance. Lower tooth, small, not over .02 high by .05 long, and 
is placed well over to the left of the center, and just above it, not over 
.02 distant, to the very short upper tooth, see ib., b, for an enlarged cut 
of these remarkable teeth, 
Margin, not produced forward quite as far as the diameter of the 
shell, is slightly inclined to the right, is thin, measuring only about .02, 
and the outer posterior portion is rolled slightly downward, and produced 
