CLASS GASTROPODA 
257 
sharp carinae not found in any specimen of ciliatum which I have seen. 
The form is much like that of sericatum Hancock, except that the whorls 
are inflated and shouldered, and the suture canaliculate. Whorls seven. 
Length, 1.36; width, .8; length of aperture, .66 in. (Dali.) 
Type in United States National Museum. Type locality, Arctic 
Ocean near Icy Cape. 
Range. North end of Nunivak Island, Bering Sea. 
Buccinum tenellum Dali, 1883 
See Part III, Plate 4, fig. 9 
Conchylien Cabinet, 2d edition, 88; PI. 91, fig. 8. Proceedings of the United States 
National Museum, 24:519; PI. 39, fig. 9. 
Shell small, solid, with about six whorls, a rather acute spire, very 
distinct suture, below which the whorl is pinched or puckered into short 
inconspicuous ribs; surface brownish-yellow with a spiral sculpture of 
small flat riblets separated by incised lines, the riblets themselves finely 
uniformly spirally striated; canal short, recurved; siphonal fasciole strong, 
pillar lip callous, the outer lip expanded, sinuous, not much thickened. 
Alt., 22.25 mm. (Dali.) 
The figure in the Conchylien Cabinet was not accompanied by a 
diagnosis, which I now provide. (Dali.) 
Type in United States National Museum, No. 108975. Type locality, 
Cape Etolin, north end of Nunivak Island, Bering Sea. 
Range. Sea Horse Islands, Arctic Ocean, to Aleutian Islands. 
Buccinum baeri Middendorff, 1848 
Beitrage zu einer Malacologia Rossica, 2:148; PI. 6, figs. 7, 8. 
Testa rufescente-lutea, intus vitelli coloris, levis et tenui, abbreciato- 
conica, spira brevi; anfractibus ultimis inflatis, supra applantis, ad longi- 
tudineum (3J4) carnatis, transversim (12-) plicatis, imo subtuberculi- 
feris; carinarum interstitiis striatis; columella recta, vix callosa; labro 
ad carinas nonnihil sinuato; apertura ampla, ad carinas extemas sulcata, 
ad plicas canaliculata. Long., 39; lat., 26; alt. anfr. ult., 25; latit. apert., 13 ; 
colum. long, ext., 39 mm. (Middendorff.) 
Shell rufescent yellowish, within of the color of the yolk of eggs, 
smooth and thin, obtusely conical; with the last whorls inflated, flattened 
above, carinate to length of 3J4, transversely plicate (12), below subtuber- 
culate; with the interstices of the carinae striate; columella straight, 
scarcely callous; with lip not at all sinuated by the carinae; with wide 
aperture externally sulcate by the carinae; canaliculate at the plications. 
(Translation.) 
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