182 



.C. RtJBRA. F,p, 308. TURBO R. Adams. Lin. T. 

 3. p. 66. t. 13. /. 21. Mont. p. 32Q.]J.p. 838. 

 Lin. T. S. p. 162. Pellucid, smooth, glossy, reddish 

 brown (also very rarely white) ; suture fine, apex 

 pointed , whorls five, rounded ; aperture suborbicular, 

 a little reflected on the pillar, i. or more, breadth 

 scarcely one-third its length. Cornwall, fyc. 



C. VITREA. F. p. 308. TURBO V. Mont. p. 321. 

 t. 12. /. 3. D.p. 838. HELIX V. Lin. T. 8. p. 213 



Thin, pellucid, white, smooth, slender, subcylin- 

 drical ; whorls four, the suture deep, apex rather obtuse ; 

 aperture suboval, contracted above, outer lip thin, inner 

 slightly thickened. J.. 0,043. Whitsand Bay, Cornwall. 



C. UNIFASCIATA. F. p. 309. TUBBO U. Mont. p. 

 327. t. 20. /. 6 D. p. 839. Lin. T. 8. p. 163. 



Smooth, conic, white, with one (or rarely two) pur- 

 plish brown bands on the body whorl ; whorls five, 

 very little raised and divided only by a small line ; 

 outer lip thin and somewhat expanded, the inner 

 spreading on the columella; imperforate. I... 0,05. 

 Southampton and Devon, rare. If there be two bands 

 they occupy no larger space than the single would. 



C, CINGIILA. P.p. 309, TURBO C. Mont. p. 328. 



