930 PROCEEDINGS OF THE NATIONAL Ml'SEW. VOL.XXII. 



tGLABARIS TENEBRICOSUS Lea. 



*Anodonta tenebricoaa LEA, Tr. Aiu. Phil. Soc., V, 1834, p. 78, pi. xn, fig. 36; 

 *Obs., I, 1834, p. 190, pi. xn, fig. 36. "D'ORBIGNY, Guer. Mag., 1835, p. 39. 

 * HANLK Y, Teat. Moll., 1842, p. 224.* D'ORBIGNY, Voy. Am. Mer., 1843, p.616. 

 *Hanley, Biv. Shells, 1856, p. 224. * H. and A. ADAMS, Gen. Rec. Moll., II, 

 1857, p. 503. *CHENU, Man., 1859, p. 146, fig. 720." VON MARTENS, Mai. Bl., 

 XV, 1868, p. 200. *PA:TEL, Conch. Sain., Ill, 1890, p. 185. 



* Margarita (Anodonta) ienebricosa LEA, Syn., 1836, p. 54; 1838, p. 32. 



* Anodoii tenebricosa CATLONV and REEVE, Conch. Nom., 1845, p. 68. * SOWKRBY, 



Conch. Icon., XVII, 1867, pi. xm, fig. 43. 

 * Margaron (Anodonta) tenebricoaa LEA, Syn.. 1852, p. 53; 1870, p. 83. 



* Glabaris tenebricosa vox IHERING, Arch, fiir Nat., 1893, p. 61. 



* Anodon tenebricosua SOWERBY, Conch. Icon., XVII, 187U, pi. xxxi, fig. 123. 



Brazil, Ecuador, Peru; south to Argentina. 



GLABARIS PASTASANUS Clessin. 



* Anodonta pastasana CLESSIN, Mai. Bl. (2), 1, 1879, p. 173, pi. xi, fig. 1. 

 Eio Pastasa, Ecuador. 1 



tGLABARIS SOLENIFORMIS d'Orbigny. 



* Anodonta aoleniformis D'ORBIGNY, Guer. Mag., 1835, p. 41; * Voy. Am. Mer., 1843, 

 p. 617, pi. LXXIV, figs. 1,3. *H. and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 

 503. * CLESSIN, Conch. Cab. AUG., 1873, p. Ill, pi. xxvn, fig. 1. " P.KTEL, 

 Conch. Sam., Ill, 1890, p. 185. 



^Margarita (Anodonta) soleniformis LEA, Syn., 1838, p. 32. 



* Margaron (Anodonta) soleniformis LEA, Syn., 1852, p. 53; 1870, p. 83. 

 *Glabaris soleniformis vox IHERING, Arch. fiir. Nat., 1893, p. 59. 



* Anodon solenidea SOWKRBY, Conch. Icon., XVII, 1867, pi. xvm, fig. 65. 



* Margaron (Anodonta) solenidea LEA, Syu., 1870, p. 83. 



Brazil, south into Argentina. 



f GLABARIS CLESSINI Fischer. 



* Mycetopus plicatus CLKSSIN, Mai. Bl., V, 1882, p. 190, pi. iv, fig. 7. 



* P^TEL, Conch. Sam., Ill, 1890, p. 187. 



* Mycetopus clesslni, FISCHER, - Jl. de Conch., XXXVIII, 1890, p. 8, footnote. 



* Glabaris nehringi VON IHERING, Arch, fiir Nat., 1893, p. 60. 



Southern Brazil; southward into Argentina. 



GLABARIS BAMBOUSEARUM Morelet. 



* Anodon bambousearum MORELET, Test. Nov., II, 1851, p. 24. * FISCHER and 



CROSSE, Miss. Sci., Pt. 7, II, 1894, p. 527, pi. LXIII. figs. 6, 6a. 



Paleuque in Chiapas, Mexico. 



1 Probably only a variety of tenebricosua. 



" Fischer changed the name plicatus to clessini because the former name had been 

 used by Sowerby for a species which he (Sowerby) placed in Mycetopus. Sowerby's 

 shell is a Mntela, and that of Clessin a Glabaris of the Tenebricosua group. Von 

 I hering applied the name nehringi to the above after Fischer had changed it, and 

 was evidently not aware that the French savant had given it a new name. 



