122 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
Shell in form and color like Bela violacea, but larger and with more 
conspicuous sculpture, besides differing in the nodulous carinae strongly 
conspicuous even on the last whorl. (Translation.) 
Type in Stuttgart Royal Cabinet. Type locality, St. Lawrence Bay, 
Bering Strait. 
Range. St. Lawrence Bay, Bering Strait, to Aleutian and Cook's 
Inlet. 
Described as Bela nodulosa . 
Lora alaskensis Dali, 1871 
American Journal of Conchology, 7:98. Proceedings of the United States Natiotial 
Museum, 9 ; PL 4, fig. 3, 1886. 
Shell elongate, fusiform, of a reddish or purplish brown, of eight 
evenly rounded whorls; aperture less than half and more than a third, 
as long as the shell, rather narrow; outer lip thin, sharp; columella straight, 
with a slight callus; canal short, wide, very slightly recurved; sutural 
sinus obsolete. Sculpture of almost imperceptible revolving lines, crossed 
by oblique longitudinal ribs, waved near the suture and obsolete on the 
lower half of the whorl. Lines of growth irregular, quite evident; epi¬ 
dermis thin, olivaceous; whorls slightly shouldered; nucleus and first 
few small whorls whitish; nucleus smooth, obliquely bent, minute; suture 
deep, impressed; a slight callus on the columella. Interior of the aperture 
polished, smooth, fuliginous. Ribs rather strong on the upper whorls. 
Long., .8; lat., .3 in. (Dali.) 
Type in United States National Museum. Type locality, Unga Island, 
of the Shumagin group in the North Harbor, in four fathoms. 
Range. Bering Sea to Puget Sound. 
Described as Mangilia alaskensis. 
Lora beckii Moller, 1842 
Index Molluscorum Groenlandiae, 14. 
Testa ovata, atro-purpurea, laeviuscula; anfr. 5J4 rotundatis, ventri- 
cosiusculis, longitudinaliter et transversim minutissime striatis; spira 
breviore. L. 5"'. (Moller.) 
Shell ovate, dark purple, smoothish 5^4 rounded somewhat ventricose 
whorls, longitudinally and transversely very minutely striated. (Trans¬ 
lation.) 
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