12 



U. triangularis, Barnes. Tennessee river. 



" trinacrus, Lea. Coosa river. 



" Ti oschelianus, Lea. Coosawattee river. 



" turgidulus, Lea. Florence. 



" tuberculatus, Barnes. Big Prairie creek; Cahawba 

 river. 



" tumescens, Lea. Tennessee river. 



" Tuscumbiensis, Lea. " 



" umbrans, Lea. Shoal creek. 



" umdulatus, Barnes. Tennessee river. 



" unicolor, Lea. Tuscaloosa. 



" vallatus, Lea. Bogue Chitto creek ; Buck creek ; Ca- 

 hawba river. 



" verrucosus, Barnes. Tennessee river. 



" verus, Lea. Cahawba river ; Buck creek. 



" verutus, Lea. Chattahoochee river. 



" vibex, Conrad. Black Warrior river. 



" virescens, Lea. Tennessee drainage ; Spring creek, 

 Tuscumbia ; Beech creek. 



" viridans, Lea. Chattahoochee river. 



" viridiradiatus, Lea. Big Uchee creek. 



" zig zag, Lea. Alabama river. [Querie, donaciformis 



Lea?J 



Genus MAKGAEITANA, Schum. 



M. Alabamensis, Lea. Talladega creek (Lea) ; Buck 

 creek : Beech creek. 



" complanata, Barnes. Big Prairie creek. 



" Connesaugaensis, Lea. Head waters of Alabama river. 



" Curreyana, Lea. Tennessee river. 



" Elliottii, Lea. Chattahoochee river , Uchee creek. 



" Georgiana, Lea. Tributaries of Coosa river ; Shoal 

 creek.* 



" Gesnerii, Lea. Uphaupee creek. 



" Holstonia, Lea. Coosa river (abounds in streams trib- 

 utary to the Tennessee river) ; Shoal creek. 



" marginata, Say. Tennessee river. 



*[NoTE. Possibly the shell referred to Shoal creek, as Marg. Georgiana 

 may be Holstonia. 



