222 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
cremental lines crossing the outer sculpture but hardly visible except 
with a lens; spiral sculpture of (on the penultimate whorl, about 10; 
on the last whorl, about 25) narrow, almost channeled grooves, with 
slightly rounded broader interspaces, sometimes divided by a smaller 
groove, and feebler near the suture and on the canal; outer lip thin, 
sharp, arcuate; inner lip erased, pillar white, short, twisted; canal short, 
wide, distinctly recurved; operculum normal, rather short, and wide, 
in harmony with the aperture. Height of shell, 16; of last whorl, 14; 
of aperture, 11; diameter, 10 mm. (Dali.) 
Type in United States National Museum, No. 213332. Type locality, 
United States Fish Commission Station 3253, Bering Sea, off Pribilof 
Islands. 
Range. Pribilof Islands, Bering Sea, in 36 fathoms. 
Subgenus Anomalosipho Dautzenberg and Fischer, 1912 
Colus martensi Krause, 1885 
Plate 28, fig. 6 
Archiv fxir Naturgeschichte, 51:287; PI. 18, fig. 18. 
Testa fusiformis, subcylindrica, solida, intus castanes, anfractibus 
6-7, valde complanatis, dense spiraliter striatis, epidermide fuscata tectis, 
apertura obovata, dimidia testae inferiore, canali brevi, paulo reflexo. 
Long., 38; lat., 14; long, apert. +can., 19; lat. apert., 8; alt. anfr. ult, 
27 mm. ( Krause.) 
Shell fusiform, subcylindrical, solid, within chestnut-colored, whorls 
six to seven. Strongly flattened, spirally closely striated covered with 
hairy epidermis; aperture obovate for the lower half of the shell; canal 
stout, slightly reflexed. (Translation.) 
Type in Stuttgart Royal Cabinet. Type locality, Metschigne Bay, 
Bering Strait. (Krause.) 
Range. Plover Bay, Bering Strait, in 20 fathoms. 
Colus adonis Dali, 1919 
Plate 13, fig. 8 
Proceedings of the United States National Museum, 56:316. 
Shell small, bulimiform, thin, whitish with a pale-olive periostracum, 
with about six whorls exclusive of the (lost) nucleus, with a very nar- 
[222 1 
