NORTH AMERICAN CONCHOLOGT. 



'age. 



Plate. 



Fig. 



Page 

 of tr. 



Name. 



Locality. 









5eme Sous-geiire Scalenaria. 





43 

 43 

 43 



LXXXI 



24-25 



46 

 4'J 

 47 



obliquata PmJ. 

 triangularis Raf. 

 scalenia Raf. 



Kentucky river. 

 Kentucky river. 



44 

 44 







47 

 48 



geme Sous-genre gintosiia. 

 lateralis Raf. 

 sintoxia Raf. 



IP'"^^ Sous-fam. AMBLEMIDIA 

 6cme Genre OBOTARIA. 



Ohio river. 



45 

 45 

 45 

 46 

 46 

 46 



LXXXII 



LXXXII 

 LXXXII 



1-3 



4-5 



6-7 



49 

 49 

 50 

 51 

 51 

 52 



obovalis P>.af. 

 torsa Raf 

 striata R(f. 

 pachostea Raf 

 stegaria Raf. 

 cordata Raf 



7eme Genre PLEUROBEMA. 



Ohio river, &c. 

 Ohio river. 

 Ohio river. 

 Kentuclcy river. 

 Oliio river. 

 Ohio river. 



47 



47 



LXXXII 



8-10 



53 

 53 



mytiloides Raf 

 cuneata R.af. 



8^">« Genre AMBLEMA. 



Wabash river. 

 Ohio river. 



48 

 48 

 48 

 49 

 49 



LXXXII 

 LXXXII 



11-12 

 13-14 



55 



55 

 56 

 56 

 57 



olivaria Raf. 

 rubra Raf. 

 torulosa Raf 

 gibbosa Raf 

 costata Raf 



III'^'"<= Sous-fam. ANODONTIDIA. 

 g^""' Genre AXODOXTA. 

 1'''^ Sous-genre Anodonta. 



Kentucky river. 

 Kentucky river. 

 Kentucky and Ohio riv. 

 Ohio river, &c. 

 Ohio and Kentucky riv. 



BO 

 50 

 50 

 60 







59 

 59 

 59 

 59 



An. marginata Say (no des.) 

 cataracta Say (no des.) 

 atra liaf. 

 cuneata Raf 



2'™'= Sous-genre Strophitus. 



Hudson river. 

 Hudson river. 



50 







GO 



undulata Say (no des.) 

 3™'- Sous-genre Lastena. 





50 

 51 



LXXXII 



17-18 



00 

 01 



Ohioensia Raf. 

 lata Uaf. 



lV™>c Sous-fam. ALASMIDIA. 

 10^""= Genre. ALAHMIDONTA. 



Ohio river, &c. 

 Kentucky river. 



51 

 52 



LXXXII 



15-10 



G2 

 03 



A. marginata Say. 

 costata Raf 



Scioto river. 

 Kentucky river. 



