NORTH AMERICAN CONCHOLOGY. 



U 



Pa. PI. Pig. 



7 i 2,3 



9 i 4 



10 i 5, 6 



22 i 



13 



23 i 14-15 

 24 

 24 

 24 

 5 1,11 



10 

 11 



11 

 11 

 3 i 1-4 



No. VIII. (No date.) 



Name. 



Amnicola decisa Maid. 

 Cincinnatiensis Anthony. 



Paludina Cincinnatiensis Anth. 

 limosa Say. 



Paludina limosa Say. 



Pal. porata Adams & Gould 



A. lustrica Hald. in lett. 

 pallida Hald. 



Pal. lustrica Adams. 

 porata Say. 



Paludina porata Say. 

 galbana Hald. (fossil). 

 lustrica Say. 



Paludina lustrica Say. 

 granum Say. 



Paludina grana Say. 

 lapidaria Say. 



Pal. lapidaria Say. 

 Sayana Anthony, in lett. 



Cyclosloma Cincinnatiensis Lea 

 Nickliniana Lea. 



Paludina Nickliniana Lea. 

 attenuata Hald. 



A. elongata in tab. 

 tenuipes Couper. 

 orbiculata Lea. 

 parva Lea. 



obtusa Lea (Paludina). 

 Ampullaria depressa Say. 



A. paludosa Say. 

 Ilopetonensis Lea. 

 globosa Swainson. 



A. rotundata Say. 

 flagellata Say. 

 urceus Mailer. 



A. rugosa Lam. 

 Paludina intertexta Say. = Ampullaria ? 

 ponderosa Say, is a true Paludina. 



Locality. 

 Susq. & Schuylk. rivs. 

 Cincinnati. 



Maine to Penn'a and 

 Ohio. 



Lake Champlain. 



Cayuga Lake. 



Sussex Co., N. Jersey. 

 Cayuga Lake. 



Philadelphia. 



East and west of Alle- 

 ghanies. 

 Cincinnati. 



Virginia. 



Montgomery Co., Va. 



Georgia. 



Ohio, Philadelphia. 



Springfield, Ohio. 



Ohio. 



Georgia, Florida. 



Florida? Calcutta? 



Mexico. 

 Mexico. 



Valvata tricarinata Say. 



Cyclostoma tricarinata Say. 



Valvata carinata Sowb. 

 var. simplex Gould. 

 var. ? bicarinata Lea. 

 var. ? unicarinata De Kay. 



N. England and Middle 

 States, &c. 



Schuylkill river. 



