NORTH AMERICAN CONCHOLOGY. 



29 



Page. 



72 Alasmodonta edentula Say. 

 72 marginata Say. 



Alas, scriptum Raf. 



72 margaritifera, 



Lnio margaritifera Lam. 

 Alas, arcuata Barnes. 



73 radiata Conr. 

 73 sculptilis Say. 

 73 truncata Say. 



Unio calceolus Lea. 

 73 undulata Say. 



73 Unio declivis Say, quoted from 



73 Anodonta cataracta Say. 



An. marginata Say. 

 73 declivis Conr. 



73 grandis Say. 



73 implicata Say. 



73 imbecilis Say. 



73 inflata Say. 



73 lugubris Say. 



73 subvexa Conr. 



73 suborbiculata Say. 



73 undulata Say. 



An. rugosa Swainson. 

 Florida, is said to be another species. 



Page. 

 4 



Page. 

 1 



PI. 

 is 



(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. 



Hemic ostata Conrad. 



Rogersii Conrad. 

 Planorbis engouatus Conrad. 



North Alabama. 

 North Alabama. 

 Monroe Co., Va, 

 North Alabama. 



Albany. 



Anodonta cataracta Say. 



]\fytilus jJuriatilis Gniel. 

 Anod. fluvialilis Bosc. 

 M^yfilus illitus Soland. 

 edentula Fcrrussac. 

 Alas, edentula Say. 

 Anod. Ferrussaciana Lea 

 grandis Say. 



Anod. declivis Conr. 

 plana Lea. 

 imbecilis Say. 



Symphynota incerta Lea. 

 Anod. incerta Fer. 

 lata Ilaf, Fer. 



Unio dehiscens Say. 

 oriens Lea. 

 latus Conr. 

 Odatclla radiata Raf. 



Additions to Synopsis. 



Page. 

 1 Anodonta marginata Say. 



Anod. pcniisylvanicaha.ia. 

 1 radiata Conr. 



Alas, radiata Conr. 



2 Alasmodonta calceolus. 



I'nio calceolus Lea. 

 Alas, marginata Say. 

 2 marginata Say. 



2 Unio acutissimus Lea. 



U. Conradicus Lea. 

 2 apiculatus Say. 



U. aspcr Lea. 

 2 Carolinianus Bosc, Fer. 



U. ohesus Lea. 

 2 capax (j'recn, 



Symphynota glohosa Lea. 



