182 
C. Rusra. £, p. 308.—Turpo R. Adams. Lin. 7. 
3. p. 66. 4. 138. f. 21.— Mont. p. 320.—D. p. 838.— 
Zin. T. 8. p. 162.—Pellucid, smooth, glossy, reddish 
brown (also very rarely white); suture fine, apex 
pointed ; whorls five, rounded ; aperture suborbicular, 
el 
alittle reflected on the pillar. @. or more, breadth 
scarcely one-third its length.—Cornwall, Sc. 
C. Vitrea. &. p, 308.—Turge V. Mont. p. 321. 
t. 12. f.3.—D. p. 838.—HE ix V. Lan. T. 8. p. 213 
—Thin, pellucid, white, smooth, slender, subcylin- 
drical ; whorls four, the suture deep, apex rather obtuse 5 
aperture suboval, contracted above, outer lip thin, inner 
slightly thickened. ¢..0,043. Whitsand Bay, Cornwall. 
C. UnirasciaTa. F. p. 309.-—Tusso U. Mont. p. 
327. ¢.20. f.6 —D. p. &39.—Inn. 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. %...0,05. 
Southampton and Devon, rare.—If there be two bands 
they occupy ne larger space than the single would. 
C. Cinairia. L, p. 309.—Turso C. Ment. p. 328. 
