NORTH American conchology. 



19 



[Lamarck, ed. 3.] 



Pa. Name. 



Unio multiradiata Lea. 

 securis Lea. 

 iris Lea. 

 zig-zag Lea. 

 patula Lea. 

 confragosa Say. 



Alasmodonta confragosa Say. 

 monodonta Say. 

 triangularis Barnes. 



U. cuneatus Swains. 

 dehiscens Say. 

 tetralasmus Say. 

 abrupta Say. 

 subtenta Say. 

 declivis Say. 

 interrupta Say. 



U. trapezialis Lea. 

 laevissima Desk. 

 complanata Desk. 



Alasmodonta complanata Barnes. 



Symphynota complanata Lea. 

 gracilis Dames. 



U. fragilis Swains. 

 Anodonta sulcata Lam. 



A. manjinala Say ? 

 fragilis Lam. 

 cataracta Say. 

 Pennsylvanica Lam, 

 glauca Lam. 



673 

 673 

 673 

 673 

 673 

 674 



674 

 674 



674 

 674 

 674 

 675 

 675 

 675 



675 

 676 



676 

 678 



ii 678 



ii 678 



ii 678 



ii 679 



Vol. iii, 1S.39. 

 iii 11 Modiola papuana Lam. 



Mytllus modiolus Pennant 

 Mytilus crenatus Lam. 



borealis Lam. 

 Ostrea borealis Lam. 

 Virginica Gmel. 

 0. roslrata Ch. 

 crassa Ch. 

 Canadensis Lam. 

 Chiton laevigatus Sowb. 

 articulatus Sowb. 

 albolineatus Br. Sj- Sowb. 

 Limaz Caroliniensis Bosc. 



18 

 21 

 83 



85 



85 

 183 

 183 

 186 

 264 



Locality. 

 Ohio. 

 Ohio. 

 Ohio. 

 Ohio. 

 Ohio. 

 Louisiana, &c. 



Wabash. 

 Ohio. 



Wabash. 

 New Orleans. 

 Wabash. 

 South Carolina. 

 Louisiana. 

 Louisiana. 



Ohio. 

 Ohio, &c. 



Ohio. 



Ladoga Lake. 



Hudson river. 



Schuylkill. 



Acapulco. 



North America. 



Carolina ? 

 New York, &c. 

 New York, &c. 

 Virginia. 



St. Lawrence, N. York. 

 Gulf of California. 

 Gulf of California. 

 Mexico. 

 S. Carolina. 



