Mollusca common to the East coasts of North America and Europe (as named by American anthors).
Places where the same species are found fossil in formations of the Glacial Epoch.
Distribution of the species in the Artic and European Seas.
Chiton ruber (?)
................................................................................................................................................................................................................................................................................................................................................................................................
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}
{\displaystyle \scriptstyle {\left.{\begin{matrix}\ \\\\\ \ \end{matrix}}\right\}\,}}
Greenland, Scandinavian, and British Seas.
Chiton albus (?)
................................................................................................................................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................
Lottia testudinalis
................................................................................................................................................................................................................................................................................................................................................................................................
Sweden
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinavian, and North British Seas.
Cemoria noachina
................................................................................................................................................................................................................................................................................................................................................................................................
Scotland, Sweden
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinavian, and Seas north and west of Scotland.
Natica clausa
................................................................................................................................................................................................................................................................................................................................................................................................
Scotland, Sweden, Russian, Canadian
................................................................................................................................................................................................................................................................................................................................................................................................
Arctic Seas.
Janthina fragilis
................................................................................................................................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................
Oceanic (Mid-Atlantic).
Velutina lævigata
................................................................................................................................................................................................................................................................................................................................................................................................
Scotland
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinavian, and British Seas.
Velutina sonata (V. undata, Brown)
................................................................................................................................................................................................................................................................................................................................................................................................
Clyde
................................................................................................................................................................................................................................................................................................................................................................................................
Arctic Seas.
Sigaretus haliotoideus (=S. perspicuus)
................................................................................................................................................................................................................................................................................................................................................................................................
Sweden
................................................................................................................................................................................................................................................................................................................................................................................................
British, Mediterranean, and Lusitanian Seas.
"Skenea serpuloides," (from the description and figure this should be Skenea depressa , and not serpuloides of Montagu, to which it is referred by Dr. Gould)
................................................................................................................................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinavian, and British Seas.
Scalaria groenlandiea)
................................................................................................................................................................................................................................................................................................................................................................................................
Sweden
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland.
Margarita cinerea (Tr. inflatus? Smith.)
................................................................................................................................................................................................................................................................................................................................................................................................
Scotland, Sweden
................................................................................................................................................................................................................................................................................................................................................................................................
Arctic and Norwegian Seas.
Margarita undulata
................................................................................................................................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland (Zetland, var. β ?).
Margarite arctica (M. vulgaris)
................................................................................................................................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................
(M. vulgaris ), Greenland, Scandinavian, and north of Britain.
Littorina rudis and var. tenebrosa
................................................................................................................................................................................................................................................................................................................................................................................................
Britain, Sweden
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Iceland, Norwegian, and British Seas.
Littorina palliata (L. expansa, Brown)
................................................................................................................................................................................................................................................................................................................................................................................................
Scotland
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland and Norway.
Lacuna vincta
................................................................................................................................................................................................................................................................................................................................................................................................
Scotland
................................................................................................................................................................................................................................................................................................................................................................................................
Scandinarian and British Seas.
Lacuna neritoides (L. Montagui?)
................................................................................................................................................................................................................................................................................................................................................................................................
Ireland
................................................................................................................................................................................................................................................................................................................................................................................................
Norwegian and British Seas.
Pleurotoma decussata (P. reticulata. Brown)
................................................................................................................................................................................................................................................................................................................................................................................................
Scotland
................................................................................................................................................................................................................................................................................................................................................................................................
Scottish Seas.
Fusus islandicus (F. corneus of British authors)
................................................................................................................................................................................................................................................................................................................................................................................................
Britain, Sweden
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinarian, and British Seas.
Fusus Sabini
................................................................................................................................................................................................................................................................................................................................................................................................
Ireland
................................................................................................................................................................................................................................................................................................................................................................................................
Arctic Seas, Zetland.
Fusus tornatus (carinatus, Laskey)
................................................................................................................................................................................................................................................................................................................................................................................................
Scotland, Canada, Russia
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Finmark, and British Seas (very rare).
Fusus scalariformis
................................................................................................................................................................................................................................................................................................................................................................................................
Britain, Sweden
................................................................................................................................................................................................................................................................................................................................................................................................
Arctic Seas.
Fusus Bamffius
................................................................................................................................................................................................................................................................................................................................................................................................
Britain
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinavian, and British Seas.
Fusus rufus?
................................................................................................................................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................
British Seas.
Fusus turricula
................................................................................................................................................................................................................................................................................................................................................................................................
Britain
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinavian, and Celtic Seas.
Fusus muricatus?
................................................................................................................................................................................................................................................................................................................................................................................................
Ireland
................................................................................................................................................................................................................................................................................................................................................................................................
Celtic and Mediterranean Seas.
Trichotropis borealis
................................................................................................................................................................................................................................................................................................................................................................................................
Canada
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Norwegian, and Scottish Seas.
Purpura lapillus
................................................................................................................................................................................................................................................................................................................................................................................................
Britain
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinavian, and Celtic Seas.
Buccinum Donovani (B. glaciale of British authors)
................................................................................................................................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland. Zetland?.
Buccinum undatum
................................................................................................................................................................................................................................................................................................................................................................................................
Britain, Sweden, Russia
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinavian, and Celtic Seas.
Buccinum ciliatum (B. Humphreysianum)
................................................................................................................................................................................................................................................................................................................................................................................................
Scotland? Canadian
................................................................................................................................................................................................................................................................................................................................................................................................
Greenland, Scandinavian, and Celtic Seas.
Spirula Peronii
................................................................................................................................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................
Oceanic (Mid-Atlantic).