NO. 1205. SYNOPSIS OF THE NAIADES SIMPSON. 751 



f PLEUROBEMA SUBGLOBATA Lea. 



* Unio snbgiobattis LEA, Pr. Ac. N. Sci. Phila., I, 1871, p. 191; * Jl. Ac. N. Sci. 



I'hila., VIII, 1874, p. 7, pi. I, fig. 3; * Obs., XIII, 1874, p. 11, pi. i, fig. 3. 

 *B. H. WRIGHT, Check List, 1888. 



Cumberland aud Tennessee rivers. 



f PLEUROBEMA CRUDA Lea. 



* Unio crudus LEA, Pr. Ac. N. Sci. Phila., I, 1871, p. 190; * Jl. Ac. N. Sci. Phila., 



VIII, 1874, p. 14, pi. iv, fig. 10; * Obs., XIII, 1874, p. 18, pi. iv, fig. 10.- 



* B. H. WRIGHT, Check List, 1888.* P.ETEL, Conch. Sam., Ill, 1890, p. 149. 



Cumberland, French Broad, and Holstoii rivers, Tennessee; Swamp 

 Creek, Murray County, Georgia. 



f PLEUROBEMA BARNESIANA Lea. 



* Unio barnesianus LEA, Tr. Am. Phil. Soc., VI, 1838, p. 31, pi. x, fig. 26; * Obs., 



II, 1838, p. 31, pi. x, fig. 26. * TROSCHEL, Arch. fur. Naturg., V, 1839, Pt.2, 

 p. 235.* HAXLKY, Test. Moll., 1842, p. 185; * Biv. Shells, 1843, p. 185, pi. 

 xxin, fig. 14. * CATLOW and REEVE, Conch. Nora., 1845, p. 56. * COXRAD 

 Pr. Ac. N. Sci. Phila., VI, 1853, p. 245. * H. and A. ADAMS, Gen. Eec. 

 Moll., II, 1857, p. 495.* CHENU, 111. Conch., 1858, pi. xix, figs. 2, 2a, 26. 

 *SOWERBY, Conch. Icon., XVI, 1866, pi. xxxiv, fig. 180. * B. H. WRIGHT, 

 Check List, 1888.* P.-ETKL, Conch. Sam., Ill, 1890, p. 145. 



* Margarita ( Unio) barnesianns LEA, Syn., 1836, p. 20; 1838, p. 17. 



* Margaron ( Unio) barnesianita LEA, Syn., 1852, p. 24; 1870, p. 38. 



* Unio raveneliunus REEVE, Conch. Icon., XVI, 1864, pi. xvi, fig. 70. 



t* Unio tellicoensis LEA, Pr. Ac. N. Sci. Phila., II, 1872, p. 155; *J1. Ac. N. Sci. 

 Phila., VIII, 1874, p. 31, pi. x, fig. 28 ; * Obs., XIII, 1874, p. 35, pi. x, fig. 28.- 



* B. H. WRIGHT, Check List, 1888. 



Cumberland and Tennessee river systems. 



PLEUROBEMA LYONII Lea. 



* Unio lyonii LEA, Pr. Ac. N. Sci. Phila., IX, 1865, p. 89 ; * Jl. Ac. N. Sci. Phila., 



VI, 1869, p. 259, xxxn, fig. 74; *Obs., XII, 1869, p. 19, pi. xxxii, fig. 74. 



* B. H. WRIGHT, Check List, 1888. 

 Margaron ( Unio) lyonii LEA, Syn., 1870, p. 56. 



Tennessee Eiver system. 



PLEUROBEMA PUDICA Lea. 



* Unio pudicus LEA, Pr. Ac. N. Sci. Phila., IV, 1860, p. 92; *J1. Ac. N. Sci. Phila., 

 IV, 1860, p. 346, pi. LVI, fig. 171 ; *Obs., VIII, 1860, p. 28, pi. LM, fig. 171. 

 *SOWERBY, Conch. Icon., XVI, 1868, pi. LXXXI, fig. 427. "B. H. WRIGHT, 

 Check List, 1888. *PJiTEL, Conch. Sam., Ill, 1890, p. 164. 



*Margaron ( Unio) pudicus LEA, Syn., 1870, p. 37. 



*Unio subrotundus SOWERBY, Conch. Icon., XVI, 1866, pi. xxxvn, fig. 201. 



Tennessee River system. 



| PLEUROBEMA BIGBYENSIS Lea. 



* Unio bigbyensis LEA, Pr. Am. Phil. Soc., II, 1841, p. 30 ; * Tr. Am. Phil. Soc., VIII, 



1843, p. 237, pi. xxn, fig. 51; * Obs., Ill, 1842, p. 75, pi. xxn, fig. 51.^ 



