202 



BIBLIOGRAPHY OP 



Page. 



Name. 



Locality. 



274 



Melania salebrosa Conrad. 



Tennessee. 



274 



Sayii Ward. 



Ohio. 



275 



semicarinata Say. 



Ohio. 



275 



simplex Say. 



Virginia. 



275 



sordida Lea. 



Tennessee. 



275 



striatula Lea. » 



Tennessee. 



275 



Stygia Say. 



Cumberland river. 



275 



subularis Lea. 



Niagara. 



275 



suturalis Hald. 



Ohio. 



275 



symmetrica Ilald. 



Virginia. 



275 



Taitiana Lea. 



Alabama. 



275 



teres Lea. 



Tennessee. 



275 



Troostiana Lea. 



Tennessee. 



275 



tuberculata Lea. 



Tennessee. 



275 



uncialis Hald. 



Tennessee. 



275 



undulata Say. 



Ohio. 



275 



varicosa Ward. 



Ohio. 



275 



venusta Lea. 



Tennessee. 



275 



Virginica Say. 



Virginia. 



276 



Anculotus angulatus Conrad. 



Alabama. 



276 



carinatus De Kay. 



H Lake Champlain. 



276 



crassus Hald. 



Tennessee. 



276 



dissimilis Say. 



Paludina dissimilis Say. 



Pittsburg. 



276 



geniculatus Hald. 



Lithasia geniculata Hald. 



East Tennessee. 



276 



integer Say. 



Ohio. 





var. A. concolor Anthony. 



Indiana. 



276 



Kirtlandianus Anthony. 



Ohio. 



276 



monodontoides Conrad. 



Virginia. 





var. A. dentatus Couth. 



Potomac river. 



276 



nigrescens Conrad. 



Maryland. 



276 



obovatus Say. 



Melania oborata Say. 



Alabama. 



276 



pictus Conrad. 



Alabama. 



276 



plicatus Conrad. 



Alabama. 



276 



pr^rosus Say. 



Ohio. 





var. A. virgatus Lea. 



Tennessee. 



276 . 



rubiginosus Lea. 



Alabama. 



276 



subglobosus Say. 



Melania subglobosus Say. 



Virginia. 



276 



teeniatus Conrad. 



Alabama. 



276 



trilineatus Say. 



Falls of Ohio. 





var. A. costatus Anthony. 



Ohio river. 



