244 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
rather prominent subequal cords, one at the shoulder, one at the periphery, 
and one midway between the others, the interspaces equal, wider and 
carrying two or three intercalary alternating threads; on the last whorl in 
the type specimen, in front of the periphery, are about 20, subequal and 
equally spaced, flattish threads with narrower very shallow interspaces; 
the canal has no spiral sculpture; axial sculpture of fine vertical threads 
with wider interspaces; aperture more or less sinuous behind; canal short, 
wide, recurved with a feeble fasciole; operculum small, smooth, concave, 
with nucleus somewhat to the left of the center. Height of shell, 60; of 
last whorl, 32; diameter, 44 mm. (Dali.) 
Type in United States National Museum, No. 226270. Type locality, 
United States Bureau of Fisheries Station 3709, off Honshu Island, Japan 
Sea, in 260 fathoms. 
Range. Pribilof Islands, in 688 fathoms; also Japan. 
Buccinum pemphigus Dali, 1907 
Plate 24, fig. 2 
Miscellaneous Collections, Smithsonian Institution, 50:151. 
Shell large, thin, swollen, pale olivaceous, with a smooth periostracum 
over a white chalky layer underlaid by a flesh-colored substratum with 
about seven whorls; suture appressed, the surface of the whorl sloping 
rapidly away in front of it to a small sharp carina which marks the shoul¬ 
der of the whorl, beyond which the whorl is globosely rounded; there is 
no axial sculpture except incremental lines; the spiral sculpture consists 
of low, flattish threads, more or less alternated in size, a few between the 
shoulder and periphery somewhat more prominent than the rest, but not 
elevated, having wide striated interspaces, while those in front of the 
periphery are smaller, closer, and pretty regularly alternated in three sizes; 
aperture wide, white, the body pinkish, the anterior end of the pillar suf¬ 
fused with yellow; outer lip thin, slightly expanded and flexuous; body 
with a glaze over the pink substratum; pillar straight, its edge gyrate, 
completely pervious; canal short, wide, recurved, with a faint fasciole; 
operculum thin, yellowish, with the nucleus sublateral in the posterior 
third. Long, of shell, 63; of last whorl, 48; of aperture, 37; max. diam., 
37 mm. (Dali.) 
Type in United States National Museum, No. 110537. Type locality, 
Station 4797, off Dalnoi Point, Kamchatka, in 682 fathoms. 
Range. Western Bering Sea. 
[244] 
