C. DISPAR. P.p. 309. TURBO D. Mont. Lin. T. 

 11. p. 195. t. 13. /. 4 Grey, striated spirally, 

 wrinkled obliquely; whorls four, the body one large 

 and subcarinated at the base, the rest small, and usually 

 worn ; aperture suborbicular, dark purple with a single 

 white band near the lower extremity, i.,.0,20. Poole. 



C. RUPESTRIS. RISSOA R. Forbes, in Annals. Nat. 

 His. 5. t. 2./. 13. Translucent, white with seven flat 

 whorls which are almost smooth ; round the summit of 

 each runs a spiral striae which gives a marginated 

 appearance to the suture ; body whorl slightly carinated 

 and spirally seriated below the carination, a few obsolete 

 striae sometimes appear above ; mouth pear-shaped, not 

 margined; pillar lip broad and slightly replicated. 

 0,20. Isle of Man. 



C. HARVEYI. RISSOA. H. Thompson. Annal. Nat. 

 His. 5. p. 97. t. 2. /. 11. Oblong, obtuse, white, 

 whorls angulated above, concave in the middle, longitu- 

 dinally ribbed ; ribs twenty-four on each whorl, angu- 

 lated both above and below ; the body whorl girt below 

 with three transverse elevated belts, apex obtuse, whorls 

 four or five ; aperture scarely angulated above, lip 

 simple. 0,17. Clare, Ireland Allied to Excavata 

 <yf Philippi. 



