174 
elegantly reticulated Turbo with a one toothed oval 
aperture.” Krom Sandwich, rare.—Walk. 15. t. 2. 
f. 55. 
Grenus.—CINGULA. 
Aperture with the peristome complete, being united 
above. 
* Outer lip thickened by a rib. 
C. Crmex. F. p. 305.—Turso C. Lin. 1233.— 
Mont. p. 315.—Lin. T. 8. p. 161.—Dor. Cat. p. 49. 
t.14. f. 69.—Don. t. 2. f. 1.—T. Cancetratus. Da. 
Cost. p. 104. t. 8. f. 6,9.—With four strong, conic, 
cancellated, white, well defined volutions, the decussa- 
ting strie so coarse as to cause the interstices to 
appear deeply punctured ; apex rather obtuse ; aper- 
ture suboval, margin thick, outer lip crenated internally. 
$0,550. Kent, not uncommon, Devon and Cornwall, 
rare. 
C, Cauaruisca. F p. 305.—Turso C. Mont. Sup. 
p. 132. €. 30. f. 5.—D. p. 821.—Brown, conical ; 
whorls six, with numerous longitudinal and spiral ribs, 
the pits formed by whose intersection are more nume- 
rous than in the preceding species, forming eight rows 
on the body whorl and four in the next, outer lip den- 
ticulated within. 4. Rare, W. Scotland §& England. 
