SYNOPSIS OF THE NAIADES— SIMPSON. 751 



fPLEUROBEMA SUBGLOBATA Lea. 



TJnio suiglobatus Lea, Pr. Ac. N. Sci. Phila., I, 1871, p. 191; * Jl. Ac. N. Sci. 

 Phila., VIII, 1874, p. 7, pi. i, fig. 3; * Obs., XIII, 1874, p. 11, pi. i, fig. 3.— 

 *B, H. Wright, Check List. 



Cumberland and Tennessee rivers. 



fPLEUROBEMA 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.— * PiETEL, Conch. Sam., Ill, 1890, p. 149. 



Cumberland, Frencli Broad, and Holston rivers, Tennessee; Swamj) 

 Creek, Murray County, Georgia. 



t PLEUROBEMA BARNESIANA Lea. 



* TJnio harnesianus Lea, Tr. Am. Phil. Soc, VI, 1838, p. 31, pi. x, fig. 26; *Obs., 



II, 1838, p. 31, pi. X, fig. 26.— *Trosghel, Arch. fur. Naturg., V, 1839, Pt. 2, 

 p. 235.— * Hanley, Test. Moll., 1842, p. 185; ^ Biv. Shells, 1843, p. 185, pi. 

 XXIII, fig. 14. — * Catlow and Eeeve, Conch. Nom., 1845, p. 56.—'* Conrad 

 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, 2&.— 



* SowERBY, Conch. Icon., XVI, 1866, pi. xxxiv, fig. 180.—* B. H. AVright, 

 Check List, 1888.—* P^etel, Conch. Sam., Ill, 1890, p. 145. 



* Margarita ( Unio) harnesianus Lea, Syn., 1836, p. 20; 1838, p. 17. 

 * Margaron ( Unio) harnesianus Lea, Syn., 1852, p. 24; 1870, p. 38. 



* Unio ravenelianus 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; *0b8., XIII, 1874, p. 35, pi. x, fig. 28.- 



* B. H. Wright, Check List, 



Cumberland and Tennessee river systems. 



PLEUROBEMA LYONII Lea. 



* Unio lyonii Lea, Pr. Ac. N. Sci. Phila., IX, 1865, p. 89; *J1. Ac. N. Sci. Phila., 

 VI, 1869, p. 259, XXXII, fig. 74; *0b8., 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. lvi, fig. 171.— 

 *SowERBY, Conch. Icon., XVI, 1868, pi. lxxxi, fig. 427.— "B. H. Wright, 

 Check List, 1888.— ^ PiETEL, Conch. Sam., Ill, 1890, p. 164. 



""Margaron { Unio) pudicus Lea, Syn., 1870, p. 37. 



*Unio sulrotundus Sowerby, Conch. Icon., XVI, 1866, pi. xxxvii, fig. 201. 



Tennessee Eiver system. 



fPLEUROBEMA BIGBYENSIS Lea. 



*Unio Ughyensis'L^k, Pr. Am. Phil. Soc, II, 1841, p. 30; *Tr. Am. Phil. Soc, VIII, 

 1843, p. 237, pi. XXII, fig. 51; *Obs., Ill, 1842, p. 75, pi. xxii, fig. 51.-^ 



