TURBO. TURBAN. 205 



rolution covering more than half the shell : aperture ex- 

 actly oval ; the outer-lip even ; inner-lip a little reflected, 

 and forming a slight longitudinal groove behind it : length 

 the eighth of an inch ; breadth half as much. 



It differs from the last, in the small groove behind the 

 pillar, and its greater proportional breadth : from T. Ulvse, 

 in having fewer and much more tumid volutions : and from 

 both, in the aperture being exactly oval, and not contracted 

 into a sharp angle at the' upper end. From T. ruber it 

 also differs, in color, in the more oval aperture, and its less 

 slender outline. 



Dorset coast, and Dublin bay. v. m. 



29. Turbo Cingillus. Girdled Turban. 

 Montagu, pi. 12. f. 7- 



Turbo vittatus. Donovan, pi. 1/8. f. 1. 



Shell conic, taper, rather pointed, semi transparent : 

 spires six, very little raised, obscurely striate transversely, 

 marked with alternate bands of horn-color and chesnut- 

 brown, generally three of each on the larger volution, and 

 two on the rest, the terminal ones obsolete and of a paler 

 color : aperture somewhat oval, contracted at the upper 

 end ; the outer-lip thin and even ; inner-lip a little thick- 

 ened, but not reflected : the old shells are not visibly strj- 

 ate : length above the eighth of an inch ; breadth a third 

 of its length. 



It differs from T. unifasciatus, in being of a more slen- 

 der form, in the spiral striae observable in perfect speci- 

 mens, in the brown bands being darker with the interme- 

 diate spaces not so white, and in having the pillar-lip not 

 in the least reflected. 



Western coasts, and Dublin bay, on Fuci. v. v. 



30. Turbo interruptus. Broken Turban. 



Montagu, pi. 20. f. S Donovan, pi. 178. f. 2 Lim. 

 Trans, v. pi. 1. f. 16, 17. 



Shell conic, rather pointed, transparent, glossy, white 



or horn-color, with sometimes a purplish or brown tinge : 



spires five very slightly raised, with longitudinal interrupted 



, ochraceous streaks, most conspicuous on the two larger 



volutions, often forming two rows of oblong spots on the 



T largest : 



