APPENDIX 
Genus LORA Gistel, 1848 (p. 124) 
Lora arctica A. Adams, 1855 
Proceedings of the Zoological Society of London, p. 121. 
B. testa ovato-fusiformi sordide alba epidermide fusco tenui induta, 
spira aperturam aequante, anfractibus 5, erosis longitudinaliter plicatis 
postice noduloso-angulatis, transversim obscure sulcatis, anfractu ultimo 
ventricoso postice carina crenata ornato; aperture ovali, labio expanso 
canali brevi lato aperto; labro tenui, postice sinu obsoleto instructo. 
(A. Adams.) 
Type in Cuming Collection. Type locality, Arctic Seas. 
Range. Shumagin Islands to Chirikoff Island, Alaska. 
B. with dull white shell ovate-fusiform, covered with thin tawny epi¬ 
dermis with spire equal in size to the aperture, 5 whorls eroded longitudi¬ 
nally plicate, nodulous-angulate in the rear, transversely obscurely sulcate, 
with the last whorl ventricose and ornamented with a crenate keel in the 
rear; with oval aperture, with inner lip broadly expanded, opening into a 
short canal; with outer lip thin, incised in the rear by an obsolete sinus. 
(Translation.) 
Genus CYSTICUS Stimpson, 1865 (p. 165) 
American Journal of Conchology, 1:55. 
Shell resembling that of some Marginellae or Persiculae, small, thin, 
and ovate, inflated, smooth and polished; spire very short, but distinct; 
suture not impressed, but filled up with a glossy deposit of shelly matter; 
aperture narrow; columella with plaits on the anterior half. (Stimpson.) 
Range. Atlantic and Pacific coasts of North America. 
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