U. cornutus, Ba%es. Alabama, Coosa and Tennessee 



rivers. 



" corvunculus, Lea. Cahawba river. 

 " Columbensis, Lea. Chattahoochee river* 

 " crassidens, Lamarck. Alabama, Coosa and Tennessee 



rivers. Cahawba river. 



" crebrivittatus, Lea. Coosa river ; Coosawattee river. 

 " crudus, Lea. Tennessee Drainage. 

 " cuneolus, Lea. Tennessee Drainage. 

 " cylindrelius, Lea. "Northern Alabama," (Lea). 

 " cylindricus, Say. Tennessee Drainage. 

 " decisus, Lea. " Alabama river," (Lea). Bogue Chitto 



creek* 



" declivis, Say. Alabama. Shoal creek. 

 " decumbens, Lea. "Alabama," (Lea). 

 " denigratus, Lea. Chattahoochee river, 

 " deviates^ Anthony. Tennessee Drainage. 

 " discrepans, Lea. "Northern Alabama," (Lea). 

 " dispar, Lea. Chattahoochee river ; Bogue Chitto 



creek. 



" dolabelloides, Lea. Tennessee Drainage. 

 " dolosus, Lea. Alabama and Cahawba rivers. 

 " dromas, Lea. Tennessee Drainage. 

 " ebenus, Lea.. Alabama river. 

 v ' " Edgarianus, Lea. Tennessee drainage. 

 " Estabrookianus, Lea. Tennessee Drainage. 

 " excavatus, Lea. Alabama, Coosa, Black Warrior, and 



Cahawba rivers ; Buck creek ; Bogue Chitto creek. 

 " exiguus, Lea. Chattahoochee river ; Shoal creek. 

 " extensus, Lea. Chattahoochee river. 

 " fabalis, Lea. Tennessee Drainage. 

 " fallax, Lea. Chattahoochee river. 

 " fibuloides, Lea. Coosa river (Showalter). 

 " flavescens, Lea. Black Warrior river, 

 i* flavidus, Lea. Tennessee Drainage. 

 " Florentinus, Lea. Tenneessee Drainage. 

 " foliatus, Hildreth. Tennessee river. 



