FAMILY ARIONID^ 47 



* Prophysaon foliolatum Gould. 



Arion foliolaius Gould, Moll. U. S. Expl. Exped., p. 2, pi. i, figs. 2a, ib, 



1852: Puget Sound. 

 Phenac arion foliolatus Cockerell, Nautilus, iii, p. 127, Mar., 1890. 

 Phenacarion heinphilli ^ . G. Binney, 3d Suppl. Terr. Moll., v, p. 208, pi. 



VIII, fig. c, IX, fig. H ; 4th Suppl., p. 183 ; not Prophysaon hemphilli 



Bland and Binney. 

 Prophysaon foliolatum (Gould) Pilsbry, Proc. Acad. Nat. Sci. Phila., for 



1898, p. 248, pi. X, figs. 15, 16, 17; pi. XI, fig, 32; pi. XIII, figs. 55, 56, 



57, 58; pi. XIV, fig. 70; pi. XV, fig. 80; pi. XVI, figs. 90, 98. 



Range. — Puget Sound region. 



Prophysaon humile Cockerell. 



Prophysaon humile Cockerell, Nautilus, iii, p. 112, Feb., 1890. — W. G. 



Binney, 3d Suppl. Terr. Moll., v, p. 211, pi. vii, figs, e, g, l, m, 1890. 



Pilsbry, Proc. Acad. Nat. Sci. Phila., for 1898, p. 251, pi. xvi, fig. 97. 

 Prophysaon fasciatum Cockerell, in Binney, 3d Suppl. Terr. Moll., v, p. 



209, pi. VII, fig. A, 1890. — Pilsbry, op. cit., p. 251, pi. x, figs. 23-27 ; 



pi. XI, fig. 34 ; pi. XII, figs. 37-40; pi. XVI, figs. 91, 94-96. 

 Prophysaon fasciatumvzx. obscurum Cockerell, The Conchologist, 11, p. 119, 



Mar. 1893. 



Range. — Northern Idaho to Puget Sound and northw^ard to Alaska. 



P. humile Loring, Alaska ! Seattle ! 



P. fasciatum Old Mission, Idaho ; Chehalis and Seattle, Wash. 



♦Prophysaon coeruleum Cockerell. 



Prophysaon coeruleum Cockerell, Nautilus, in, p. 112, Feb., 1890. — Bin- 

 ney, 3d Suppl. Terr. Moll., v, p. 209, pi. vii, figs, i, j. May, 1890. — 

 Pilsbry, Proc. Acad. Nat. Sci. Phila., for 1898, p. 253, pi. ix, figs. 7-11; 

 pi. XI, fig. 30; pi. XIII, figs. 51-53 ; pi. xvi, fig. 86, Nov., 1898. 



P. caruleum var. dubium Cockerell, loc. cit., 1890. 



Range. — Portland, Oregon ; Seattle and Olympia, Wash. 



Genus Ariolimax Morch. 



Ariolimaz columbianus Gould. 



Limax columbianus Gould, Terr. Moll., 11, p. 43, pi. lxvi, fig. i, 185 1 ; 

 Moll. U. S. Expl. Exp., p. 3, fig. I, a, b, 1852. 



Ariolimax columbianus Morch, Mai. Bl., vi, p. no, 1859. — Binney, Am. 

 Joum. Conch., i, p. 48, pi. vi, figs. 11-13, 1865 ; Land and Fw. Shells 

 N. Am., I, p. 279, fig. 499, 1869 ; Man. Am. Landsh., p. 98, figs. 58- 

 61, 1885. — Pilsbry, Proc. Acad. Nat. Sci. Phila. for 1896, p. 342; 

 1898, p. 235, pi. XV, fig. 81; pi. XIV, fig. 66; pi. XV, figs. 73, 74, 1898. 



Range. — Santa Barbara, northw^ard to Sitka,Victoria, and Nanaimo. 



Malcolm Island and Broughton Strait, British Columbia ; SE. Alaska 

 (to Cross Sound .?) Klawak, Prince of Wales Archipelago ! Sitka, 

 Alaska ! and probably north to Cross Sound and Icy Strait, or even 

 Lituya Bay. 



