22 LAND AND FRESH WATER MOLLUSKS 



Zoogenites harpa MoRSE, Journ. Portland Soc. Nat. Hist., i, p 32, pi. i, figs. 



1-14, 1864; Am. Nat., i, p. 608, figs. 50-51, 1868. 

 Acanthimda harpa BiNNEV, Land and Fw. Sh. N. Am., I, p. 156, figs. 267-9, 



1869 ; Bull. U. S. Nat. Mus. No. 28, p. 185, figs. 181-184, 1885. 

 Zoogenetes harpa aiict. pliir. 



Range. — Northwestern Scandinavia, northeastern America, British 

 America near Hudson Bay, Southeastern Alaska, and the easternmost 

 margin of Siberia. 



Konyam Bay, eastern Siberia ; Avacha Bay, Kamchatka ! Bering 

 Island, Commander group ; lower Amur River region. Klehini, Chil- 

 kat Inl^t and valley, Alaska ; English River, Manitoba ! Moose 

 Factor}' ! Hudson Bay ; Minnesota ; Gaspe ; New England ; etc. 



The peculiarities of the distribution of this curious little mollusk are 

 referred to in the general discussion of the fauna of northeastern Asia. 



Genus Vallonia Risso. 



VaHonia Risso, Hist. Eur. Mcr., IV, p. 101, 1826; V. rosa/ia Risso, pi. 3, 



fig. 30, = Helix costata Miiller. 

 Ztirama Leach, Proofsheets, p. 108, 1819. — Turton, Man., p. 64, 1831 ; 



Gray's Turton, p. 141, 1840. — Leach, Syn. Moll. Gt. Brit., p. 77, 1852 ; 



H. pukhella Muller. 

 Amplexis Brown, 111. Conch. Gt. Brit., expl. pi. .xli, figs. 75-79. 1827; H. 



pulcheUa Muller. 

 AinpL-xus Brown, op. cif.. 2d ed., p. 45, 1844. 

 Chilosfoma (sp.) Fitzinger, Syst. Verz., p. 98, 1833. 

 Circinaria (sp.) Beck, Index Moll., p. 23, 1837. 

 Glaphyra Albers, Heliceen, p. 87, 1850. 

 Lucena MOQUIN Tandon, Hist. Moll. Terr, et Fluv. France, II, pp. 98, 140, 



1855 ; not of Oken, 1815, or Hartmann, 1 821. 



Vallonia pulcheUa Miiller. 



Helix pukhella Muller, Verm. Terr., 11, p. 30, 1774. — Binney, Boston 

 Journ. Nat. Hist., in, p. 375, pi. i.x, fig. 2, 1840. — W. G. Binney, Land 

 and Fw. Sh. N. Am., I, p. 157 {ex parte), figs. 270-1, 1869. 



Fig. 2. Vallonia pulcheUa, j^. 



Helix minuta S VY, Journ. Acad. Nat. Sci. Phila., i, p. 123, 1819. — Morse, 



Am. Nat., I, p. 544, fig. 39, 1867. 

 Helix paludosa DaCosta, Brit. Conch., p. 59, 1778. 

 Vallonia minuta MoKSK, Journ. Portland Soc. Nat. Hist., i, p. 21, figs. 54- 



56, pi. VIII, fig. 57, 1864. 



