Alvania (Cingula) jan-mayeni. 9 
Norman: Notes on the Natural History of East Finmark, Ann. Mag. 
Nat. Hist., ser. 7 vol. 10, 1902. 
Odhner: Molluskenfauna des Eidsfjords, Kgl. Sv. Vet. Akad. Handl. 
vol. 54 no. 1, 1915. 
. Pfeffer: Fische, Mollusken und Echinodermen von Spitzbergen, 
Zool. Jahrb., Abt. System. Geogr. & Biol., vol. 8, 1895. 
. Posselt: Grønlands Brachiopoder og Bløddyr, Meddel. om Grönland, 
vol. 23, 1898. 
Stuxberg: Evertebratfaunan i Sibiriens Ishaf, Vega Exp. Vet. Iaktt. 
vol: 1, 1882. 
Stuxberg: Faunan på och kring Novaja Semlja, Op. cit. vol. 5, 1886. 
. Tryon: Manual of Conchology, vol. 9, 1887. 
. Verrill: Notice of recent Additions of the Marine Fauna of the 
eastern coast of North America, Am. Journ. Sc. & Arts, ser. 3, 
vol. 17,1879. 
. Verrill: Not. of recent Add. of the Mar. Fauna of the north eastern 
coast of America, Proceed. U. S. Nat. Museum, vol. 3, 1880. 
Verrill: Cat. of Marine Mollusca added to the Fauna of New England, 
Trans. Connecticut Acad., vol. 5, 1882. 
. Verrill: Sec. Cat. of Mollusca recently added to the Fauna of the 
New England Coast and adjacent Parts of the Atlantic, Trans. 
Connecticut Acad. vol. 6, 1884. 
. Verill: Results of the Explorations made by the Steamer ’ Albatross“, 
Ann. Rep. Comm. of Fish and Fisheries, 1883. 
Weinkauff: Die Gattungen Rissoina und Rissoa, Martini Chemnitz: 
Conchylien Cabinet Bd. 1 Abt. 22, 1885. 
. Whiteaves: Cat. of the marine Invertebrata of eastern Canada, 
Geological Survey of Canada, 1901. 
Bergen, September 22. 1921. 
