No.1205. ftvxorsfs or THE \.tLtnEs-snrrsoy. 547 



* Margarita ( Unio) iKishrillianus LKA, >Syu., 18ot>, p. 26; 1*38, p. 20. 

 *Margaron (Unio) naslirillianns LKA, Syn., 1852, p. 29. 



* Margaron ( Unio) naslivilliensis LEA, Syu., 1870, p. 45. 



t* Unio mississippien sis CONRAD, Jl. Ac. N. Sci. Phila., I, 1850, p. 277, pi. xxxvm, 

 fig. 11. * CONRAD, Pr. 'Ac. N. Sci. Phila., VI, 1853, p. 252. "H. and A. 

 ADAMS, Gen. Rec. Moll., II, 1857, p. 494. *KUSTER, Conch. Cab. Unio, 1861, 

 p. 245, pi. LXX XII, fig. 3. * REEVE, Conch. Icon., XVI, 1865, pi. xix, fig. 85. 

 *B. H. WRIGHT, Check List, 1888.* P.ETKL, Conch. Sam., Ill, 1890, p. 159. 



"Margaron ( Unio) mississippicnsis LKA, Syn., 1852, p. 29; 1870, p. 60. 



Tnio rittersrillensis LEA, Pr. Ac. N. Sci. Phil a., Ill, 1859, p. 155; *J1. Ac. N. Sci. 

 Phila., IV, 1860, p. 355. pi. i.x, fig. 181; *Obs., VIII, 1860, p. 38, pi. i.x, fig. 

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



* Margaron (Unio) rulers riUensis LEA, Syn., 1870, p. 43. 



\*Unio lopekaensis LEA, Pr. Ac. N. Sci. Phila., XII, 1868, p. 144; *JI. Ac. N. Sci. 



Phila., VI, 1869, p. 313, ph.xux, fig. 126; *Obs v XII, 1869, p. 73, pi. XLIX, 



fig. 126. *B. H.WRIGHT, Check List, 1888. 

 *Margaron ( Unio) topekaensis LEA, Syn., 1870, p. 43. 



* Unio cocoduensis REEVE, Conch. Icon., XVI, 1865, pi. 24. fig. 117. 



Entire -Mississippi drainage north to about latitude 41. Eastern 

 half of Texas. 



f*LAMPSILIS LIENOSUS Conrad. 



-Unio lienosits CONRAD, Am. Jl. Sci., XXV, 1834, p. 339, pi. i, fig. 4; *New 

 F. W. Shells, 1834, p. 70. * FERUSSAC, Guer. Mag., 1835, p. 25. * CONRAD, 

 Monog. VII, 1836, p. 60, pi. xxxiv, fig. 2.* MOLLER, Syn. Nov. Gen., 1836, p. 

 197. *HANLEY, Test. Moll., 1842, p. 194; *Biv. Shells, 1843, p. 194, pi. xxi, fig. 

 32. *CATLOW and REEVE, Conch. Nom., 1845, p. 60. *KUSTER, Conch. Cab. 

 Unio, 1852, p. 67, pi. xvi, fig. 3.* CONRAD, Pr. Ac. N. Sci. Phila., VI, 1853, 

 p. 251. *H. and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 494. *SOWERBY, 

 Conch. Icon., XVI, 1866, pi. xxxn, tig. 166; 1868, pi. LXXV, fig. 388. *B. H. 

 WRIGHT, Check List, 1888. * P.ETEL, Conch. Sam., Ill, 1890, p. 157. 



*Margari1a ( Unio) lienosus LEA, Syn., 1836, p. 26; 1838, p. 20. 



* Margaron (Unio) lienosus LEA, Syn., 1852, p. 29; 1870, p. 45. 



*Unio saxeus CONRAD, Monog., XII, 1840, p. 109, pi. LX, fig. 1; Pr. Ac. N. Sci.. 

 Phila., VI, 1853, p. 257.* H. and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 494. 

 *B. H. WRIGHT, Check List, 1888. *P.KTEL, Conch.. Sam., Ill, 1890, p. 166. 



* Margaron ( Unio) saxeus LKA, Syn., 1852, p. 27; 1870, p. 42. 



* Unio caliginotius LEA, Pr. Am. Phil. Soc., IV, 1845, p. 165 ; * Tr. Am. Phil. Soc., X, 



1848, p. 79, pi. vn, fig. 21; *Obs., IV, 1848, p. 53, pi. vn, fig. 21. * CONRAD, 

 Pr. Ac. N. Sci. Phila., VI, 1853, p. 246. *H. and A. ADAMS, Gen. Rec. Moll., 

 II, 1857, p. 493. * KUSTER, Conch. Cab. Unio, 1861, p. 180, pi. LVI, fig. 7. 

 * B.H.WRIGHT, Check List, 1888. * P^ETEL, Conch. Sam., Ill, 1890, p. 147. 



* Margaron ( Unio) caliginosits LEA, Syn., 1852, p. 29; 1870, p. 45. 



* Unio fontanus CONRAD,' Am. Jl. Sci., II, 1866, p. 279, pl.xv, fig. 13. *B. H. 



WRIGHT, Check List, 1888. 



LAMPSILIS LIENOSUS var. UNICOSTATUS B. H. Wright. 



* Unio unicostatus B. H. WRIGHT, Naut., XIII, 1899, p. 69. 



Lower Mississippi Kiver drainage north to the lower Ohio; east to 

 southwest Georgia. 



'The characters are poor in the indifferent type in the Academy of Natural 

 Sciences in Philadelphia, but I believe that it is a Lampsilis lienosus. 



