858 TURBO. 



RETicuLATUs. 99. Shell conical, minute, with 

 rounded whirls, and strongly reticulated. 



Turbo reticulatus. Adams in Lin. Trans, iii. p. 66. t. 13. 

 f. 19 and 20. Montagu Test. p. 322. t. 21. f. 1. Maton 

 and Racket, in Lm. Trans, viii. p. 172. 



Inhabits the coasts of Pembrokeshire. Adams. Kent. Mr. 

 Boys. 



Shell scarcely one-tenth of an inch long, and about half as 

 broad, white, or whitish brown, with six distended very con- 

 vex whirls, and strongly reticulated ; aperture sub-orbicular, 

 with a thick margin, and the inner lip spreading on the 

 pillar. 



BRYEREUS. 100. Shell turreted, small, and glossy, 

 with contiguous ribs, and the aperture ovate. 



Turbo Bryereus. Montagu Test. p. 313. t. 15. f. 8. Ma- 

 ion and Racket, in Lin. Trans, viii. p. 172. Dorset 

 Cat. p. 50. t. 19. f. 7. 

 Turbo costatus. Donovan, v. t. 178. f. 3. 



Inhabits the coasts of Britain and the West Indies. Montagu. 



Shell near a quarter of an inch long, and about one-third as 

 broad, strong, conical, and composed of seven whirls, with 

 seventeen or eighteen continuous longitudinal ribs ; aperture 

 oval, and the outer lip strong; it is twice as large as T. cos- 

 tatus, and is destitute of the transverse striae and marginated 

 lip which are conspicuous in that species. Mr. Montagu 

 mentions a variety with stronger and fewer ribs, not exceed- 

 ing ten or twelve in number. 



CONIFERUS. 101. Shell turreted, small, with conti- 

 nuous undulated ribs, and the whirls some- 

 what crenulated at the suture. 



Turbo coniferus. Montagu Test. p. 314. 1. 15. f. 2. Ma- 

 ton and Racket, in Lin. Trans, viii. p. 173. Dorset 

 Cat. p. 50. t. 19. f.6. 



Inhabits the sea at Weymouth. Mr. Bryer. 



Shell a quarter of an inch long, and one-third as broad, strong, 

 white, and formed of six whirls ; it has about twelve undu- 

 lated continuous ribs, interrupted only by a fine suture, and 

 the interstices at the top of each whirl are formed into small 

 cavities, giving that part a scolloped or denticulated appear- 

 ance ; the whirls are also faintly striated transversely, and 

 the apex is rather obtuse ; aperture oval, oblique, strongly 

 marginated, and the pillar-lip not reflected. 



