204 
TURBO. TURBAN . 
Variety. More elongated thin and transparent, with the 
volutions flat and quite destitute of ribs ; the outer margin 
of the lip thin, and not thickened withinside nor on the 
back. 
On the English, Irish, and Scotch coasts.. The variety 
is found at the estuaries of rivers, v. v. 
26. Turbo Ulvae. Laver Turban. 
Pennant , pi. 8.0. f. 7— Dorset Cat. pi. 18. f. 12. 
Shell thick, opake, rather taper and pointed, mostly co¬ 
vered with a coiirse rough coat, grey, greenish, or dull red¬ 
dish brown: spires six or seven, and even eight, flat or 
very little raised, but well defined hy the line of separation, 
and faintly wrinkled longitudinally : aperture somewhat 
oval; the outer-lip very thin ; inner-lip reflected, and form¬ 
ing a slight longitudinal cavity behind it: length a quarter 
of an inch ; breadth an eighth. 
Maton and Rackett, in their Corrigenda, have directed 
us to fig. 11 of the Dorset Catalogue, which is the Helix 
octanfracta: 
In muddy inlets of the sea. v. v. 
27. Turbo ventrosus. Swollen Turban. 
Montagu , pi. 12. f. 13— Dorset Cat. pL 18. f. 12 a— 
Walker, f. 36. 1 
Shell conic, pointed, pale reddish horn-color, glossy, se¬ 
mitransparent, generally black on the smaller part in con¬ 
sequence of its containing tlie dead animal: spires six 
rounded and well defined, very obscurely wrinkled longitu¬ 
dinally t the first volution very large: aperture roundish- 
oval ; the inner-hp not reflected : length the eighth of an 
inch; breadth half as much. 
It differs from the last in being more conic, thin, and 
transparent; and in the volutions being much more rounded, 
with the pillar-lip not in the least reflected. 
Western coasts, and Dublin bay. v. v. * 
28. Turbo subumbilicatus. Oval-mouthed Turban . 
Dorset Cat. pi. 18. f. 12. b. 
Shell conic, smooth, a little glossy, rather obtuse, yel- 
lowisli-white: spires four or five, much swollen, the first 
volution 
