TURBO. TURBAN. 2 17 
which are more prominent, but occasionally all of the same 
size and elevation, and uncertain in their number: aper¬ 
ture orbicular; the outer-lip thin and brittle, and semi¬ 
transparent : inner-lip sometimes reflected and forming a 
slight groove behind it. 
On most sandy shores. In Dublin bay we have found it 
more than two inches long and half an inch wide, with six¬ 
teen perfect volutions : and in the cabinet of Mrs. C. W. 
Loscombe, of Exmouth, we observed a glossy transparent 
variety, which came front Sciliy. v. v. 
60. Turbo Ascaris. Vermicular Turban. 
Shell extremely slender, tapering to an exceedingly fine 
point, milk white, semitransparent: spires seven or eight, 
rounded and well defined by a deep depression, each with 
four or five regular equidistant and rather deep spiral 
grooves : aperture nearly orbicular, the inner-lip a little re- 
| fleeted : length not the tenth of an inch ; breadth a fourth 
of its length. 
It is impossible to mistake this minute and very elegant 
species for the young of T. Terebra, which is always opake 
and horn-color, suddenly tapering to an obtuse point, with 
| the ribs coarse, three or four of them much raised above 
the rest, and the interstices regularly striate: the spires are 
also less rounded and defined than in the present species. 
Seafield on the Atlantic, in Ireland : rare. v. m. 
61. Turbo nitidissimus. Transparent Turban. 
Montagu , pi. 12. f. 1. 
Shell extremely slender, tapering to a minutely fine 
point, white, transparent, quite smooth : spires nine, very 
much raised and rounded, separated by a deep line of junc- 
( lion: aperture nearly orbicular; the inner-lip a little re¬ 
flected: length the eighth of an inch ; breadth a fourth of 
its length. 
Western coasts, and Dublin bay: rare. v. m. 
62. Turbo politus. Polished Turban. 
Pennant, pi. 82. f. 1— Dorset Cat. pi. 19. f. 15. 
Turbo albus. Donovan , pL 177- 
Shell strong, ivory white, polished, quite smooth, ta- 
u pc ring 
