142 Bryant Wai,ke;r 



Fi^UMiNicOLA MF,RRiAMi Pilsbry and Beecher. 



Fhmiinicola merriami Pilsbry and Beecher, Naut., V, 1892, p. 143; Stearns^ 



N. Am. Fauna, No. 7, pt. II, 1893, p. 282, fig. 2. 

 Type locality : Pahranagat Valley, Nev. 



FlvUMINICOI^A MINUTISSIMA Pilsbry. 



Fhiminicola minutissima Pils'bry, Naut., XXI, 1907, p. 76, pi. IX, fig. i. 

 Type locality : Price Valley, Weiser Canyon, Washington Co., Idaho. 



FivUMiNicoi.A MODOCi Hannibal. 



Fhiminicola modoci Hannibal, Pr. Mai. Soc. Lond., X, 1912, p. 187, pi. VII, 



fig. 30. 

 Type locahty : Fletcher's Spring, south end of Goose Lake, Cal. 



Fluminicola n]5v ADEN sis Walker. 



Flnminicola nevadmsis Walker, Occ. Pap. Mus. Zool., Univ. Mich., No. 29, 



1916, p. 6, text-fig. 

 Type locality : Cortez foot-hills, Humboldt Valley, Elko Co., Nev. 



Fi,UMiNicoi.A sEMiNAijs (Hinds). 



Paludina seminalis Hinds, Voy. Sulphur, 1844, p. 59, pi. 16, fig. 22. 

 Lithoglyphus cumingii Frauenfeld, Verb, der k. k. Zool.-bot. Ges. Wien., 



1863, p. 195; Ibid, 1865, p. 530, pi. XL 

 Amnicola tubiniformis Tryon, A. J. of Con., I, 1865, p. 219, pi. 22, fig. 5. 

 Type locality : seminalis, Sacramento River, Cal. 

 cumingii, California. 



turhiniformis, Crane Lake Valley and Surprise Valley, Cal. 

 This synonymy is according to Pilsbry (96, p. 123). 



Fl.UMINICOLA SDMINAUS DALLI (Call). 



Amnicola dalli Call, Bull. U. S. Geol. Surv., No. XI, 1884, p. 45, pi. VII, 



figs. 4-6. 

 Fhiminicola seminalis dalli Pilsbry, Naut., XIII, 1899, p. 123. 

 Type locality: Mountain streams near Pyramid Lake, Nev. 



Genus SOMATOGYRUS Gill, 1863. 



For a description of the peculiar apical sculpture of this genus, see 

 Walker, 156. 



SoMATOGYRUS AivDRiCHi Walker. 



Somatogyrus aldrichi Walker, Naut., XIX. 1901, p. 114, pi. V, fig. 9. 

 Type locality: Coosa River, Chilton Co., Ala. 



