NO. 1205. SYNOPSIS OF THE NAIADES— SIMPSON. 929 



* Anodon amethyshis SowERBy, Conch. Icon., XVII, 1869, pi. xxiv, figs. 95, 95a, 95&.' 

 "Anodonia ameihysta Clkssin, Conch. Cab. Ano., 1875, p. 180, pi. LX, fig. 3. 



* Anodon dactylus Sowerby, Conch. Icon., XVII, 1867, pi. xix, fig. 75. 



' * Anodonia dactylus Clessin, Conch. Cab., 1875, p. 175, pi. lvii, fig. 3. — P^etel, 

 Conch. Sam., Ill, 1890, p. 178. 

 Margaron (Anodonta) dactylus Lea, Syn., 1870, p. 80. 



GLABARIS LINGULATUS Hupe. 



* Anodonta lingulata Hupe, Moll. Nouv.,111, 1857, p. 89. — * Clessin, Conch. Cab. 



Ano., 1875, p. 215, pi. lxvi, fig. 3.—* Pjetel, Conch. Sam., Ill, 1890, p. 181. 

 "" Anodon lingulata Sowerby, Conch. Icon., XVII, 1869, pi. xxiii, fig. 90. 



* Margaron {Anodonta) lingulata Lea, Syn., 1870, p. 79. 



" Glabaris lingulata VON Ihering, Arch, fiir Nat., 1893, p. 119. 



Paraguay. 



t GLABARIS MORTONIANUS Lea. 



* Anodonta mortoniana'L^A.jTv. Am. Phil. Soc.,V,1834, p. 80, pi. xiii, fig. 37; *Obs., I, 



1834, p. 192, pi. xm, fig. 37.—* Hanley, Test. Moll., 1842, p. 219-— *H. and A. 

 Adams, Gen. Eec. Moll., II, 1857, p. 502.—* Clessin, Conch. Cab. Ano., 1874, 

 p. 151, pi. XLViii, figs. 5, 6.— *P.etel, Conch. Sam., Ill, 1890, p. 182. 

 ^Margarita {Anodonta) mortoniana Lea, Syn., 1838, p. 30. 



* Anodon mortoniana Catlow and Reeve, Conch. Nom., 1845, p. 67. 



* Margaron {Anodonta) mortoniana Lea, Syn., 1852, p. 150; 1800, p. 80. 



Parana River, South America. 



GLABARIS LONGINUS Spix. 



* Anodon longinus Spix, Test. Fluv. Bras, 1827, p. 29, pi. xxii, fig 1. 



"" Mycetopus longinus Clessin, Conch. Cab. Ano., 1875, p. 202. — * Fischer, Jl. de 

 Couch., XXXVIII, 1890, p. 8. 



* Iridina longina Lea, Syn., 1836, j). 57. 



* Anodonia longina Kuster, Conch. Cab. Ano., 1853, ^. 7, pi. ii, fig. 1. — * P.etel, 



Conch. Sam., Ill, 1890, p. 181. 



Brazil; Amazon. 



GLABARIS LEOTANDI Guppy.^ 



* Anodonta leotandi Guppy, Ann. and Mag., XIV, 1864, p. 243;* XVII, 1866, p. 54; 



Pr. Sci. Assn. Trinidad, 1872, p. — ; ^Jl. Conch., VII, 1894, p. 229. 



* Anodonta leotandi B. H. Wright, Check List, 1888. 

 "Margaron {Anodonta) leotandi Lea, Syn., 1870, p. 83. 



Trinidad Island, West Indies. 



Section STYGANODON von Martens, 1900. 

 (Type, Anodonta tenebricosa Lea.) 



Shell subrhomboid, with a thick, dark, rather rough, sombre-colored 

 epidermis, which is sometimes faintly rayed, nacre lurid, shaded green; 

 animal unknown. 



(Group of Glaharis tenehricosus.) 



Shell elongate, slightly inflated; base incurved. 



' Changed to wheatleyi Lea, by Sowerby in indes. 



= I am not certain where this groups, as I have never seen the shell, and it has not 

 been figured. 



Proc. N. M. vol. xxii 59 



