202 



BIBLIOGRAPHY OF 



Page. Name. 



274 Melania salebrosa Conrad. 



274 Sayii Ward. 



275 semicarinata Say. 

 275 simplex Say. 



275 sordida Lea. 



275 striatula Lea. 



275 Stygia Say. 



275 subularis Zea. 



275 suturalis Hald. 



275 symmetrica Hald. 



275 Taitiana Zea. 



275 teres Zta. 



27"> Troostiana Zea. 



275 tuberculata Lea. 



27") tincialis Hald. 



27') undulata »S'a^. 



275 varicosa Ward. 



275 venusta Zea. 



275 Virginica Say. 



276 Anculotus angulatus Conrad. 

 276 carinatus Z*e Kay. 



276 crassus ZT«/Z 



276 dissimilis Say. 



Paladin a dissimilis Say. 

 276 geniculatus Hald. 



Lithasia (jtniculata Hald. 

 276 integer Say. 



var. A. c.oncolor Anthony. 

 276 Kirtlandianus Anthony. 



276 monodontoides Conrad. 



var. A. dentatus Couth. 

 276 nigrescens Conrad. 



276 obovatus Say. 



Melania ohorata Say. 

 276 pictus Conrad. 



276 plicatus Conrad. 



276 praerosus Say. 



var. .1. virgatus Lea. 

 276 rubiginosus /-ea. 



276 subglobosus Say. 



Mi hi iiia subylohosus Say. 

 276 taeniatus ('annul. 



276 trilineatus Say. 



var. A. costatus Anthony. 



Locality. 

 Tennessee. 

 Ohio. 

 Ohio. 



Virginia. 



Tennessee. 



Tennessee. 



Cumberland river. 



Niagara. 



Ohio. 



Virginia. 



Alabama. 



Tennessee. 



Tennessee. 



Tennessee. 



Tennessee. 



Ohio. 



Ohio. 



Tennessee. 



Virginia. 



Alabama. 



Lake Champlain. 



Tennessee. 



Pittsburg. 



East Tennessee. 



Ohio. 



Indiana. 



Ohio. 



Virginia. 



Potomac river. 



Maryland. 



Alabama. 



Alabama. 



Alabama. 



Ohio. 



Tennessee. 



Alabama. 



Virginia. 



Alabama. 



Fa IN of Ohio. 



Ohio river. 



