NO. 1205. SYNOPSIS OF THE NAIADES SIMPSON. 629 



* Anodonta cognata GOULD, U. S. Expl. Exp., XII, 1852, p. 435, figs. 546, 546a, 5466 ; 



Otia Conch., 1862, p. 187. * CONRAD, Pr. Ac. Nat. Sci. Phila.,VI, 1853, p. 263. 



* H. and A. ADAMS, Gen. Rec. Moll., II, 1857,p. 502. *P /ETEL, Conch. Sam., Ill, 

 1890, p. 178. 



Washington; Oregon; North California; East to Great Salt Lake. 

 ANODONTA CALIFORNIENSIS Lea. 



* Anodonta californiensis LEA, Tr. Am. Phil. Soc., X, 1852, p. 286, pi. xxv, fig. 47; 



*Obs., V, 1852, p. 42, pi. xxv, fig. 47. * CONRAD, Pr. Ac. Nat. Sci. Phila., VI, 

 1853, p. 263. *H. and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 503. *Mus- 

 GRAVE, Phot. Conch., 1863, pi. i, fig. 4. *CLESSIN, Conch. Cab. Ano., 1874, p. 

 120, pi. xxxix, figs. 4, 5.* B. H. WRIGHT, Check List, 1888.* P^TEL, Conch. 

 Sam., Ill, 1890, p. 177. 



* Margaron (Anodonta) californiensis LEA, Syn., 1852, p. 47; 1870, p. 75. 



* Anodon californiensis SOWERBY, Conch. Icon., XVII, 1870, pi. xxviu, fig. 113. 



Washington, south to California; east to Idaho and Arizona. Proba- 

 bly a variety of the next. 



t ANODONTA NUTTALLIANA Lea. 



* Anodonta nuttalliana LEA, Tr. Am. Phil. Soc., VI, 1838, p. 77, pi. xx, fig. 62; * Obs., 

 II, 1838, p. 77, pi. xx, fig. 62. *TROSCHEL, Arch, fiir Nat., V, 1839, Pt.2,p. 

 238. *HANLEY, Test. Moll., 1842, p. 216; *Biv. Shells, 1843, p. 216. * CON- 

 RAD, Pr. Ac. Nat. Sci. Phila., VI, 1853, p. 264. *H. and A.ADAMS, Gen. Rec. 

 Moll., II, 1857, p. 503.* CLESSIN, Conch. Cab. Ano., 1874, p. 147, pi. L, figs. 1, 

 2.* B. H. WRIGHT, Check List, 1888.* P^TEL, Conch. Sam., Ill, 190, p. 182. 



* Margarita (Anodonta) nuttalliana LEA, Syn., 1838, p. 29. 



* Margaron (Anodonta) nuttalliana LEA, Syu., 1852, p. 47; 1870, p. 75. 



* Anodon nuttalliana CATLOW and REEVE, Couch. Norn., 1845, p. 67. * GOULD and 



CARPENTER, Pr. Zool. Soc. Lond., 1856, p. 218. 



* Anodonta triangularis TRASK, Pr. Ac. Nat. Sci. Phila., 1, 1855, p. 29. 



* Anodon triangularis, SOWERBY, Conch. Icon., XVII, 1870, pi. xxix, fig. 565. 



Washington to California. 



t ANODONTA WAHLAMETENSIS Lea. 



* Anodonta wahlametensis LEA, Tr. Am. Phil. Soc., VI, 1838, p. 78, pi. xx, fig. 64; 



* Obs., II, 1838, p. 78, pi. xx, fig. 64. * TROSCHEL, Arch, fiir Nat., V, 1839, Pt, 2, 

 p. 238." HANLEY, Test. Moll., 1842, p. 215; Biv. Shells, 1843, p. 215, pi. xxiv, 

 fig. 13. "CONRAD, Pr. Ac. Nat. Sci. Phila., VI, 1853, p. 264. * H. and A. ADAMS, 

 Gen. Rec. Moll., II, 1857, p. 503.* CLESSIN, Conch. Cab. Ano., 1874, p. 161, pi. 

 LIII, figs. 7, 8.* B. H. WRIGHT, Check List, 1888.* PJETEL, Conch. Sam., Ill, 

 1890, p. 186. 



"Margarita (Anodonta) icaklametensis LEA, Syn., 1838, p. 29. 



* Anodon wahlametensis CATLOW and REEVE, Conch. Norn., 1845, p. 68. * GOULD 



and CARPKNTKR, Pr. Zool. Soc. Lond., 1856, p. 218. * SOWERBY, Conch. Icon., 



XVII, 1867, pi. ix, fig. 22. 



*Margaron (Anodonta) wahlametensis LEA, Syn., 1852, p. 47; 1870, p. 75. 

 * Anodonta rotundata TRASK, Pr. Cal. Ac. Sci., I, 1855, p. 29. 

 "Anodon rostratus SOWERBY, Conch. Icon., XVII, 1867, pi. n, fig. 4. 



* Anodonta laosensis FISCHER,' Bull. Soc. H. N. Autun., 1891, p. 219. 



Washington; south to southern California; east to Utah. 



"Sowerby states that his species is from Lao, (Laos?) an error without doubt, as it is 

 certainly A. ivahlametensis. As the name rostrata had been used for an Anodonta by 

 Kokeil (or Rossmassler) Fischer changed Sowerby's name to laosensis. 



