222 -TURBO. TURBAN. 



aperture somewhat oval ; the pillar-lip a little reflected, 

 with 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. m. 



f4. Turbo spiralis. Spiral Turban. 



Montagu, pi. 12. f. 9 Walker, L 46. 



Shell conic, glossy-white, transparent, rather obtuse : 

 .spires four or live, slightly raised but well denned by the 

 line of separation which is marked by a fine spiral ridge ; 

 the larger volution marked with transverse circular lines 

 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. v. 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. 17. v. 



76. Turbo plicatus. Plaited Turban. 



Montagu, pi. 21. f. 2. 



Shell rather slender, smooth, glossy-white, scmitranspa- 

 rcnt, somewhat obtuse spires six, nearly flat, but well de- 

 nned and separated by a fine line: aperture oval; the outer- 

 lip rather thickened, with a small perforation behind it, ami 

 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. m. 



