NO. 1205. SYNOPSIS OF THE NAIADES— SIMPSON. 619 



* \Margaritana alabamensis Lea, Pr. Ac. N. Sci. Phila., V, 1861, p. 41; *J1. Ac. N. 



Sci. Phila., V, 1862, p. 104, pi. xvi, fig. 249; * Obs., VIII, 1862, p. 108, pi. xvi, 

 fig. 249.—* Clessin, Conch. Cab. Ano., 1876, p. 264, pi. lxxx, fig. 5.—* B. H. 

 Wright, Check List, 1888.— * P.etel, Conch. Sam., Ill, 1890, p. 172. 



* Unio alabamensis Sowerby, Conch. Icon., XVI, 1868, pi. lxxxii, fig, 433. 

 *Margaron (Margaritana) alabamensis Lea, Syn., 1870, p. 68. 



Alabama Eiver system. 



tSTROPHITUS SPILLMANII Lea. 



^Margaritana spillmanii Lea, Pr. Ac. N. Sci. Phila., II, 1858, p. 138; *J1. Ac. N". 



Sci. Phila., V, 1862, p. 105, pi. xvii, fig. 252; *Obs., VIII, 1862, p. 109, pi. 



XVII, fig. 252. — * Clessin, Conch. Cab. Ano., 1876, p. 264, pi. lxxxii, figs. 5, 



6.— *B. H. Wright, Check List, 1888.— * PiETEL, Conch. Sam., Ill, 1890, 



p. 174. 

 ''Unio spillmanii Sowerby, Conch. Icon., XVI, 1868, pi. lxxxii, fig. 435. 



Tombigbee Eiver, Mississippi. 



fSTROPHITUS TOMBIGBEENSIS Lea. 



"* Margaritana tombigbeensis Lea, Pi\ Ac. N. Sci. Phila., II, 1858, p. 138; *J1. Ac. 



N. Sci. Phila., V. 1862, p. 107, pi. xviii, fig. 255; *Obs., VIII, 1862, p. Ill, pi. 



xviii, fig. 255. — *B. H. Wright, Check List, 1888. — *P.etel, Conch. Sam., 



Ill, 1890, p. 174. 

 *Margaron {Margaritana) tombigbeensis Lea, Syn., 1870, p. 68. 

 *Margaritana {Alasmodonta) tombigbeensis Clessin, Conch. Cab. Ano., 1876, p. 



268, pi. Lxxxi, figs. 3, 4, 



Tombigbee Eiver, Mississippi. 



fSTROPHITUS GESNERII Lea. 



*Margaritana gesnerii Lea, Pr. Ac. N. Sci. Phila.. II, 1858, p. 138; * Jl. Ac. N. Sci. 

 Phila., V, 1862, p. 211, pi. xxxii, fig. 280; *Obs., IX, 1863, p. 33, pi. xxxii, 

 fig. 280.—* B. H. Wright, Check List, 1888.—* Sowerby, Couch. Icon., XVI, 

 1868, pi. Lxxxiv, fig. 446. 



*Margaron {Margaritana) gesnerii Lea, Syn., 1870, p. 67. 



^Margaritana gessneri P^etel, Conch. Sam., Ill, 1890, p. 173. 



Uphaupee and Swamp creeks, Alabama. 



tSTROPHITUS ELLIOTTII Lea. 



^Margaritana eUiottii Lea, Pr. Ac. N. Sci. Phila., II, 1858, p. 138; *J1. Ac. N". Sci. 



Phila., IV, 1859, p. 226, pi. xxxi, fig. 108 ; * Obs., VII, 1859, p. 44, pi. xxxi, fig. 



108.— *B. H. Wright, Check List, 1888.— *PiETEL, Conch. Sam., Ill, 1890, 



p. 173. 

 *Margaron {Margaritana) elliottii Lea, Syn., 1870, p. 68. 

 *Margaritana {Alasmodonta) elliottii Clessin, Conch. Cab. Ano., 1876, p. 267, 



pi. lxxxii, figs. 3, 4. 



* '[Margaritana elliptica Lea, Pr. Ac. N. Sci. Phila., Ill, 1859, p. 113 ; *J1. Ac. N. Sci. 



Phila., V, 1862, p. 106, pi. xviii, fig. 254; *Obs., VIII, 1862, p. 110, pi. xviii, 



fig. 254.— B. H. Wright, Check List, 1888.— P^etel, Conch. Sam., Ill, 1890, p. 



173. 

 *MargaroH {Margaritana) elliptica Lea, Syn., 1870, p. 68. 

 "Margaritana {Alasmodonta) elliptica Clessin, Conch. Cab. Ano., 1876, p. 270, 



pi. LXXXI, figs. 5, 6. , 



Columbus, Georgia 5 Columbus, Mississippi. 



