222 TURBO. TURBA& 
aperture somewhat oval; the pillar-lip a little reflected, 
tvith a small perforation behind it, and furnished with an 
obscure tooth-like fold : length above the eighth of an inch; 
breadth hardly the third of its length. 
It differs from our T. graphicus, both in color and its 
tooth. 
On the Devonshire coast: rare. v. in. 
74. Turbo spiralis. Spiral Turban. 
Montagu, pi. 12. f. 9— TTalker, f. 46. 
Shell conic, glossy-white, transparent, rather obtuse: 
spires four or five, slightly raised but well defined by the 
line of separation which is marked by a fine spiral ridge ; 
the larger volution marked with transverse circular lmcs 
half way from the base, the other half finely ribbed longi¬ 
tudinally, as are the whole of the others : aperture some¬ 
what orbicular, with a small tooth-like fold on the pillar : 
length a line ; breadth half its length. 
Western coast: rare. t\ m. 
75. Turbo unidentatus. Single-folded Turban. 
Montagu, p. 324. 
Shell conic, rather taper, smooth, glossy-white: spires 
six, not much raised but well defined: aperture exactly 
oval ; the outer-lip thin ; pillar-lip a little reflected, with a 
small perforation behind it, and a single fold on the inside 
near the middle: length two-tenths "of an inch ; breadth 
half its length. 
Western coasts, and Dublin bay. v. v. 
76. Turbo plicatus. Plaited 7"urban. 
Montagu, pi. 21. f, 2. 
Shell rather slender, smooth, glossy-white, semitranspa¬ 
rent, somewhat obtuse spires six, nearly flat, but well de¬ 
fined and separated by a fine line: aperture oval; the outer- 
bp rather thickened, with a small perforation behind it, and 
a single strong tooth-like fold extending across the pillar 
and giving it a somewhat angular appearance on the upper 
part: length the eighth of an inch ; breadth a third of its 
length. 
Western coasts and Dublin bay. 
v. in. 
