142 Bryant Walker 



Fi^UMiNicoLA MKRRiAMi Pilsbry and Beecher. 



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



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

 Type locality: I'ahranagat Valley, Nev. 



Fluminicola minutjssima Pilsbry. 



Fluminicola minutissima Pilsbry, Naut., XXI, 1907, p. 76, pi. IX, iig. i. 

 Type locality : Price \'alley, Weiser Canyon, Washington Co., Idaho. 



Fluminicola ^fODOci Plannibal. 



Fluminicola iiiodoci Hannibal, Pr. Mai. Soc. Lond., X, 1912, p. 187, pi. VII, 



fig- 30- 

 Ty])e locality : Fletcher's Spring, south end of Goose Lake, Cal. 



Fluminicola nlvauknsis Walker. 



Fluminicola neradensis Walker, Occ. Pap. ^NIus. Zool., Univ. Mich., No. 29, 



1916, p. 6, text-fig. 

 Type locality: Cortez foot-hills, Humboldt \'alley, Elko Co., Nev. 



Fluminicola sKminalis (Hinds). 



Paludina seuiinalis Hinds, Voy. Sulphur, 1844, p. 59, pi. 16, ^g. 22. 

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



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

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

 Type locality : setninalis, Sacramento River, Cal. 

 cumingii, California. 



turbiniformis, Crane Lake Valley and Surprise Valley, Cal. 

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



FluminicoL'\ seminalis dalli (Call). 



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



_ figs. 4-6. 

 Flum.inicola scniiiialis dalli Pilsbry, Naut., XIIT, 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 aldrichi Walker. 



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

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



