FAMILY ARIONID^E 47 



* Prophysaon foliolatum Gould. 



Arion foliolatus Gould, Moll. U. S. Expl. Exped., p. 2, pi. I, figs. 2a, 2b, 



1852 : Puget Sound. 

 Phenacarion foliolatus Cock.er.ell, Nautilus, ill, p. 127, Mar., 1890. 

 Phenacarion hemphilli W. 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, in, p. 112, Feb., 1890. — W. G. 



Binney, 3d Suppl. Terr. Moll., v, p. 211, pi. vn, 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. vn, fig. a, 1890. — Pilsbry, op. tit., p. 251, pi. x, figs. 23-27 ; 



pi. xi, fig. 34 ; pi. xii, figs. 37-40; pi. xvi, figs. 91, 94-96. 

 Prophysaon fasciatum var. obscurum Cockerell, The Conchologist, 11, p. 119, 



Mar. 1893. 



Range. — Northern Idaho to Puget Sound and northward to Alaska. 



P. humile Loring, Alaska ! Seattle ! 



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



* Prophysaon cceruleum Cockerell. 



Prophysaon c&ruleum Cockerell, Nautilus, in, p. 112, Feb., 1890. — Bin- 

 ney, 3d Suppl. Terr. Moll., v, p. 209, pi. vn, figs. I, J, May, 1890. — 

 Pilsbry, Proc. Acad. Nat. Sci. Phila., for 1898, p. 253, pi. ix, figs. 7-1 1; 

 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. 



Ariolimax columbianus Gould. 



Limax columbianus Gould, Terr. Moll., 11, p. 43, pi. lxvi, fig. 1, 1851 ; 

 Moll. U. S. Expl. Exp., p. 3, fig. 1, a, b, 1852. 



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

 Journ. Conch., 1, p. 48, pi. vi, figs, n-13, 1865 ; Land and Fw. Shells 

 N. Am., 1, 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, northward 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. 



