183 
t. 12. f.7.—D. p. 841.—Lin. T. 8. p. 165.—T. Trt- 
tatus. Don. ¢t. 178. f. 1.—T. Grapuicus. Turt. D. 
p. 200. f. 34.— Brown. Wern. Mem. 2. p. 521. €. 24. 
jf. 6.—Conic, subpellucid, obscurely striated, except at 
the base where the strize are strong; whorls six, horn- 
colored with chesnut brown bands (usually three on the 
body and two on the other whorls); apex uniform brown 
and moderately pointed ; aperture suboval, contracted 
above ; outer lip thin and not expanded, inner slightly 
thickened; imperforate. %..0,04. Plymouth and 
Salcomb. 
C. AtBa. F. p. 309.—Turpo A. Adams. Lin. 3. p. 
66. ¢. 13. f. 17,8.—Whorls six, not much rounded, 
smooth, glossy, subpellucid, pale brown or with brown 
spiral bands ; about sixteen longitudinal rounded and 
slightly waved ibs on the body whorl; aperture sub- 
orbicular; pillar lip a little reflected, outer lip thin. 
0,10. Common on Roots of Fuca: 
C.Semistriata. F. p. 309.—Turso 8. Mont. 
Sup. p. 136.—D. p. 842.—Conical, the apex obtuse, 
white ; whorls five or six, rounded, well defined, smvoth 
in the middle, striated spirally above and below, the striz 
extending to the body whorl as far as the junction of 
the lip; aperture subovate, angulated above, 4.,.0,20. 
Southern coast of Devon, 
