NORTH AMERICAN CONCHOLOGY. 



24^ 



VI 



VI 



[Desliayes iu Lamarck.] 

 Vol. Pa. Xamc. 



vi 533 Unio Peruvianus Lam. 



U. undulatus Barnes. 

 multipUcatus Lea. 

 vi 533 rariplicata Lam. 



U. plicatus Barnes. 

 heros Auct. Amer. 

 vi 533 purpurata Lam. 



U. ater Lea. 

 lugubris Say. 

 atra Desh. 

 ligamentina Lam. 



U. mnhiradiata Lea. ? 

 obliqua Lam. 



U. undulatus Barnes. 

 retusa Lam. 



U. incurvis Say. 

 rarisulcata Lam. 

 coarctata Lam. 



U. gihhosa Auct. Amer. ? 

 purpurascens £«?«. 

 U. purpureus Say. ? 

 radiata Lam. 



Mi/a radiata GmeL 

 536 rhombula Lam. 



536 carinifera Lam. 



536 georgina Lam. 



537 clava Lam. 

 U. viodioliformis Say. 



537 recta LAim. 



U. pr^elonffiis Barnes. 

 537 naviformis Lam. 



U. cylindricus Say. 



537 glabrata Lam. 



538 nasuta Lam. 



U. gilibosus Barnes. 

 nasuta Say ? 

 vi 538 ovata Lam. 



U. ventricnsus Barnes. 

 suhovatus Lea. 

 occidens Lea. 

 vi 539 alata Lam. 



Si/mpht/nota alata Lea. 

 vi 5-10 Bulcidens Lam. 



Locality. 



533 



534 



534 



534 

 535 



vi 535 



vi 535 



Peru. 



Ohio. 



Mississippi. 



Susquehanna, &c. 



Lake Champlain. 

 Connecticut. 



