193 
C. TursrrorMeE. Ff. p. 357.—Stromaus T. Mont. 
Sup. p. 110. ¢. 30. f2 7.—S. Costatus. var. D. p. 
679.—Brown, whorls seven, well defined by the suture, 
destitute of a thread-like spiral line at the base of each, 
longitudinal ribs about eighteen, base smooth ; aperture 
suborbicular, outer lip thickened at the margin and a 
little spreadiug. 4...0,08. Jona, rare. 
C. TuBERCULARE.—MurRex T. Mont. p. 270 
and Sup. p. 116.—Lin. T. 8. p. 150.—D. p. 758.— 
Teresra T. £.p 346.—Whorls nine or ten, slender, 
taper, tuberculated, chesnut brown, separated by a slight 
depression, the apex pointed; aperture small, oval, 
ending in a canal somewhat enclosed by the columella 
turning inward. 4. Drifted sand, Devon and Sand- 
wich, rare. 
C. ReticuLatum.—Murex R. Mont. p. 272.— 
D. p. 758.—Inn. T. 8. p. 150.—Dor. Cat. t. 14. f. 
13.—StromsBirorMis R. Da Cos. p. 117. £. 8. f. 13. 
—Turesra R. F. p. 346,—Pale rufous brown, strong, 
slender and tapering to a very fine point ; whoris eleven 
or twelve, reticulated by’ four spiral ridges and some- 
what oblique longitudinal striae; suture small and not 
deep ; aperture oval, angulated above, contracted below 
into a slight canal; outer lip thin, base not reticulated. 
$..03» Common in Cornwall. 
I 
