VOLUTA. VOLUTE. 
249 
depression under them which is a little prominent in the 
middle: hinge with three teeth in one valve, two of them 
approximate, the middle one cloven: in the other valve two, 
one of them cloven: length five-eighths of an inch j breadth 
a very trifle more. 
This shell, which was taken alive in Dublin bay, may pos¬ 
sibly be the same which Pennant has figured. Indepen¬ 
dently of the sinuosity, it differs materially from all such as 
seem allied to it, in its contour, especially in the singular 
circumstance of having the cartilage side broader and less 
produced than the other, in the central beaks, and in the 
teeth, v. v. 
VOLUTA. VOLUTE. 
Shell with a single valve, more or less spiral : 
aperture narrow, reaching much down the shell, 
without beak 5 the pillar toothed or plaited. 
, 1. Voluta tornatilis. Oval Volute. Fig. 32, 33. 
Lister , pi. 835. f. 58—Pe/manf, pi. 74. f. 1 —Da Costa , 
pi. 8. f. 2 —* Donovan, pi. 57 —Dorset Cat. pi. 14. f. 2. 
Shell oval, ending in a fine point: spires eight, a little 
rounded and deeply defined by the separating line, the first 
very large and cylindrical, the others small, very finely and 
regularly striate transversely, with a few obsolete longitu¬ 
dinal wrinkles : color yellowish-white, ferruginous, or pale 
purple, with generally two whitish rather broad distant 
bands on the larger volution : aperture long, narrow-oval 
the outer-lip thin and plain j pillar with a single plait 01 
fold: length three-quarters of an inch; breadth three 
eighths. 
On most sandy beaches, v. v. 
Voluta denticulata. Purple-tipped Volute. 
ftlontugu, pi. 20. f. 5 —Dorset Cat . pi. 18. f. I— IValker, 
f. -50, and 53. 
Shell oval,pointed, semitransparent,horn-color, inclining 
to purplish-brown at the tip : spires seven or eight, coarse, 
wrinkled longitudinally, with a few coarser judges on the 
larger 
