NORTH AMERICAN CONCHOLOGY. 



29 



73 

 73 



73 

 73 



Alasmodonta edentula Say. 

 marginata Say. 



Alas, scriptum Raf. 

 margaritifera. 



Unio margaritifera Lara. 



Alas, arcuata Barnes. 

 radiata Conr. 

 sculptilis Say. 

 truncata Say. 



Unio calceolus Lea. 

 undulata Say. 



Unio declivis Say, quoted from 



Page. 

 4 



PI. 



i.v 



Fig. 

 1 



(Appendix to same.) 



Name. Locality 



Unio viridis Raf. [subviridis 



Conr.] Penn., Kentucky river, 



complanatus var. subinflatus. South Carolina. 



Melania formosa Conrad. 

 Melania bella Conrad. 



dilatata Conrad. 



semicostata Conrad. 



Rogersii Conrad. 

 Planorbis engonatus Conrad. 



North Alabama. 

 North Alabama. 

 Monroe Co., Va. 

 North Alabama. 



Albany. 



Additions 



Tage. 

 1 Anodonta cataracta Say. 



Mytilus fluviatilis Gmel. 

 Anod. fluviatilis Bosc. 

 Mytilus illitus Soland. 

 1 edentula Ferrussac. 



Alas, edentula Say. 

 Anod. Ferrussaciana Lea 

 1 grandis Say. 



Anod. declivis Conr. 

 plana Lea. 

 1 imbecilis Say. 



Symphynota incerta Lea. 

 Anod. incerta Fer. 

 1 lata Raf., Fer. 



Unio dehiscens Say. 

 oriens Lea. 

 latus Conr. 

 Odatdia radiata Raf. 



to Synopsis. 



'age. 



1 Anodonta marginata Say. 



Anod. pennsylvanicahcim. 



1 radiata Conr. 

 Alas, radiata Conr. 



2 Alasmodonta calceolus. 



Unio calceolus Lea. 

 Alas, marginata Say. 

 2 marginata Say. 



2 Unio acutissimus Lea. 



U. Conr adieus Lea. 

 2 apiculatus Say. 



U. asper Lea. 

 2 Carolinianus Bosc., Fer. 



U. obesus Lea. 

 2 capax Green. 



Symphynota globosa Lea. 



