TURBO. TURBAN. 
203 
but not reflected : length the eighth of an inch - breadth 
one third of its length. 
It differs from the white variety of the last, in being of a 
more slender and somewhat cylindrical form, with the vo¬ 
lutions much stronger arid more oblique. 
Western coasts, and Dublin bay : rare. v. m. 
21. Turbo unifasciatus. Single-handed Turban. 
Montagu, pL 20. f. 6 . 
Shell conic, smooth, thick, whitish with a purplish-brown 
band on the larger volution, sometimes two but occupying 
the same space as when there is only one, and placed close 
to the line of separation : spires live, hardly raised, and 
divided by a small line : aperture roundish-oval; the outer- 
lip thin, turning a little outwards ; pillar-lip slightly 
spread: length the eighth of an inch 5 breadth not half as 
much. 
On the leaves of Fuci. v. v. 
25. Turbo lab i os us. Wide-mouthed Turban. 
Dorset Cat. pi. IS. f. 10— Pennant, pi. S2. f. 8 . 
Helix labiosa. Montagu, pi. 13. f. 7- 
Shell somewhat conic, tapering to a rather fine point, light 
horn-color, with often coarse white blotches, semitranspa¬ 
rent, sometimes covered with a yellowish-brown skin, and 
mostly pui*ple at the tip : spires six or seven, rarely eight, 
3 little rounded and well defined, with from fifteen to 
eighteen longitudinal ribs, which are sometimes faint and 
sometimes strong and well rounded, extending along the 
upper part of the larger volution and the whole of the two 
next, the re maiding volutions being quite smooth; the 
larger spires are also frequently marked with obscure ob¬ 
lique and often undulated brown lines : aperture glossy, 
oral, dilated, coveringncarly half of the shell, rather oblique, 
produced and rounded at the bottom ; the outer margin 
expanded, tliin, and a little reflected, with a rib at the back, 
contracted in the throat by the thickening of the shell, and 
mostly edged with purplish-broivn 5 the back a little gib¬ 
bous and smooth, of a paler color j pillar-lip reflected and 
forming a slight cavity behind it, undulate within and form¬ 
ing an indenture or tooth-like elevation: length a quarter 
of an inch j breadth a third of its length. 
Variety . 
