BUCCINUM. WHELK. 
o 
lines, forming small tubercles all over the shell: aperture 
nearly oval, the outer-lip not thickened at the back, with 
mostly a few fine teeth on the inside; inner-lip folding back, 
and forming a hollow behind it: color yellowish-brown, 
with generally a pale chesnut band round the end of the 
voln ms : length above an inch ; breadth not half an inch. 
Common on many sandy beaches, v. v. 
■ 7. Buccinum Macula. Thick-lipped Whelk. 
Pennant , pi. 82. f. f>— Montagu > pi. 8. f. 4— Linn. Trans. 
viii. pi.4. f. 4 —Dorset Cat. pi. 15. f. 8. 
Shell oval, pointed, with seven spires, strongly reticu¬ 
lated like the last; but the longitudinal ribs are more waved, 
and the spires are better defined and more distinctly sepa¬ 
rated by the line of junction: aperture nearly orbicular, with 
a small dark purplish spot at the outer edge or back of the 
canal; outer-lip thickened by a strong rib at the back, and 
slightly toothed on the inside : inner-lip faintly toothed, a 
little folding back, but not forming a hollow behind it: co¬ 
lor various shades of brown,- chesnut, white, purple, or 
pink, and often covered with a polished livid skin : lcngtlf 
about half an inch; breadth not a quarter. 
Variety A. Larger, with the outer-lip thin, and not 
toothed on the inside. 
Variety B. With a notch or cut at the upper angle of 
the outer-lip, separating it from its attachment to the body 
volution, similar to that which is found in the Mu rex gra¬ 
cilis. 
On most sandy shores : the variety B. we observed in the 
cabinet of Mrs. C. W. Loscombe, of Exmouth, v. v. 
8 . Buccinum ambiguum. Ambiguous Whelk. 
Montagu, pi. f. 7— Linn. Trans, viii. pi. 4. f. 5 —Dorset 
Cat. pi. i8. f. 19*. 
Shell somewhat conic, thick, with six or seven spires, 
which terminate rather abruptly at their tops, and are deeply 
divided by the line of separation, marked with strong di¬ 
stant longitudinal ribs, from eleven to fifteen in number, a 
little swelling into tubercles at the junctures, and reticu¬ 
lated by finer transverse lines : aperture nearly orbicular; 
the outcivlip thickened by a rib at the back, and very 
c 2 slightly 
