often nearly smooth, often with strong spiral striz and 
longitudinal fine elevated membranaceous ones; apex 
small and pointed; aperture oval, outer lip thick, 
toothed (but not always) internally. 2..1. Hxtremely 
common and excessively variable. 
Grenus.—DOLIUM. 
Thin, ventricose, inflated, usually subglobose, rarely 
oblong, with transverse belts ; the outer lip denta- 
ted or crenulated its entire length ; aperture longi- 
tudinal, emarginated at the base. 
D. Perpix. Lam. 7.—F. p. 342.—Buccinum P. 
Lin. 1197.—D. p. 583.—Mart. f. 1078.— List. t. 984. 
Sf. 1—Knorr. 3. t. 8. f. 1.—Mont. p. 244. ¢.8. f. 5. 
—Dor. Cat. p. 44. t. 15. f. 14.—Pult. Dor. p. 41.— 
Suboval, with five or six volutions, the body whorl very 
large and tumid, the others small in proportion, marked 
with flat transverse ridges which are broader than the 
interstices, yellowish brown, marbled and spotted with 
white ; aperture large and oval, the outer lip thin and 
plain, inner lip a little umbilicated. 1., bué the foreign 
specimens infinitely larger. Weymouth. 
_ GeEnus.—BUCCINUM. 
Oval, or oval conical; aperture longitudinal, base 
notched, no canal ; pillar not flattened, turgid above. 
