238 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
Shell fusiform, slightly recurved at the base, whorls rounded, encircled 
throughout with conspicuous elevated rough striae, interior of the aperture 
grooved; dull brown within and without. (Reeve.) 
Length, 1.52-1.75 in. (Tryon, Manual of Conchology.) 
Type in Museum Cuming. Type locality not known to the writer. 
Range. Chirikoff Island, Alaska, to Monterey, California. Fossil: 
Pleistocene of Santa Barbara, California. 
Described as Buccinurn dirum. 
Family BUCCINIDAE 
Genus BUCCINUM Linnaeus, 1758 
Shell few-whorled; whorls ventricose; aperture large; canal very 
short, reflected; operculum lamellar, nucleus external. (Woodward, Man¬ 
ual of the Mollusca.) 
Type. Buccinurn undatum Linnaeus. 
Distribution. Northern and Antarctic seas, low water to 100 
fathoms. Fossil: Miocene-Pliocene. 
Buccinurn glaciale Linnaeus, 1761 
Fauna Suecica, 2d edition, 523. Tryon, Manual of Conchology, 3; PI. 76, fig. 345. 
Testa laevisubstriata ovato-oblonga, anfractu infimo subcarinato. Testa 
crassa, magnitudine extimo articuli pollicis, pallida, secundum anfractus 
obsolete striare, acuminata, superne conica. Anfractibus infimus f. maxi- 
mus subcarinatus est, sed haec carina in reliquis superioribus anfractibus 
evanescit, cum sutura anfractuum, evadat, que attenuata. Basis gibba, 
emarginata. Apertura ovata. Labium exterius crassum, patulum, striis 
incumbentibus. (Linnaeus.) 
Shell subulately ovate, sutures of the spire deep, whorls somewhat 
flattened, longitudinally obliquely plicated, transversely two- to three- 
keeled, interstices between the keels regularly elevately striated; aperture 
short, lip conspicuously effused; dull yellowish-brown, lip white. 
(Conchologia I conica.) 
The living shell reaches a notably larger size in the North Pacific 
than in the North Atlantic, and the vicinity of Behring’s Straits may be 
considered the metropolis of the species. (Tryon, Manual of Conchology.) 
Type in Linnean Society. Type locality, Northern Sea. 
Range. Arctic Ocean to Straits of Juan de Fuca; circumboreal. 
