gigantea Moerch 
gigas Verkr. 
gouldi Verrill 
graphica Locard 
greenlandica Reeve 
harpa Dall v. plieifera 
harpularia Couth. 
hebes Verrill . 
holomera Locard 
impressa Moerch 
ineisula Verrill 
jenisseensis Leche . 
kobelti Verkr. 
koreni Friele . 
leucostoma Reeve 
minuscularia Locard 
mitrula Loven 
nobilis Moeller e 
novaja-semljensis Leche . 
nudator Locard . 
obliqua Sars . 
ovalis Friele . 
pingelii Moeller . Bee 
pleurotomaria Couth. v. pyramidalis 
plieifera Schmidt 
polysarca D.& F,. 
pygmaea Verrill., 
pyramidalis Stroem . 
quadruplex Wats. 
recondita Tiberi . > 
reticulata Vahl v. een e 
Togen M.oSars u... 
rubescens Jeflr. . 
rufa Gould v. pyramidalis 
rugulata Friele v. turrieula . 
rugulata Moeller a: 
rugulata Verrill v. gouldi . . 
sarsii Versill . 
scalaris Moeller . 
scalaroides Sars . 
schantariea Midd. 
schmidtii Friele v. plieifera 
simplex Sars v. gigas Verkr. 
smithii Jeffr. v. trevelyana var. 
tenuicostata M. Sars 
torquata Phil. 
trevelyana Turton 
turricula Mtg. NDR 
vahlii Beck v. pyramidalis . 
violacea Migh. v. bicarinata 

viridula Moeller. . . . . 
willei Friele . 
woodiana Moeller 
Belomitra Fischer 
fischeri Locard 
lyrata Mitrs. 
paradoxa Fischer 
spelta Mtrs, 
Boreoscala Kobelt 
Brachystoma Mtrs. 
Cancellaria Lam. } 
assimilis Wfl. v. similis . 
buceinoides Couth. v. Admete raide ; 
cancellata L. . 
var. elongata 
coronata Scacchi 
costellifera Hancock v. lie 
couthouyi Jay v. Admete viridula 
minima Reeve 
mitraeformis Hidklgad v. ne 
pusilla H. Adams 
scabriuseula L. v. RAR 
similaris Rve. v. similis . 
similis Sow. J 
subangulosa Wkff. v. minima . 
Chemnitzia Phil. v. Turbonilla . 
Cioniscus Jeffr. 
Cirsotrema Mörch. 
Clathroseala de Boury . 
Clathrus Oken 
Clathurella Carpenter 
abyssicola Fbs. 
aequalis Jeffr. 
alleryana Sull. 
asperrima Brown 
atropurpurea Mtrs. . 
“ bieolor Risso . 
bofilliana Sull. 
bourguignati Locard 
bracteata Pall. 
brevis Requien 
buequoyi Let.. 
cancellata Cale. . 
cancellata Sow. . 
carnosula Jefre. „2. a rer 
clathrata M. de Serres 
eoneinna Scacchi 
convexa Jeffr. : 
corbiformis Locard v. Gebe 
