NORTH AMERICAN CONCHOLOGY. 



229 



[The following species of Rafinesque are omitted by Mr. Lea from his 

 Synopsis, he not having been able to determine them. I give them all, 

 not knowing if any foreign species are included. — W. G. B.] 



57 Alasmodonta atropurpu- 



reum Raf. ? 



57 badium Raf. ? 



57 costata Raf. ? 



57 h.ia.-ns Raf? 



57 ponderosum R.af. ? 



57 papyraceum i2a/. ? 



57 rugosum R.af. ? 



57 sulcatum Raf. ? 



57 scriptum iicr/. ? 



57 viridis Raf ? 

 57 Anodonta atra Raf? 



57 aperta Raf ? 



57 cuneata Raf ? 



57 digonota Raf ? 



57 inflata i?a/. ? 



57 lata Raf ? 



57 Ohiensis Raf ? 



57 solenoides Raf ? 

 57 Unio antrosa Raf. ? 



57 atro violacea i^a/.? 



57 argyratus 7?a/. ? 



57 attenuata Raf ? 



57 aurata Raf ? 



57 bicolor Raf ? 



57 bullata Raf ? 



57 biloba/^a/.? 



57 cardium Raf ? 



57 Cliffordiana 72a/. ? 



57 calendis Raf. ? 



57 chloris Raf ? 



57 castaneus Raf ? 



57 costata i?cr/. ? 



57 crassa Raf ? 



57 cinerescena TJa/. ? 



57 cordata /?a/. ? 



57 cuneata Raf ? 



57 cyclips Raf ? 



57 cuprea Raf ? 



57 cyphia Raf ? 



57 decorticata Raf ? 



Page. 



57 Unio depressa Raf? 



57 diploderma Raf ? 



57 diaphanus Raf ? 



57 dilatata Raf ? 



57 ellipsaria Raf ? 



57 elllptica Raf ? 



57 fasciata Raf ? 



57 fulvus Raf ? 



57 fontinalis Raf ? 



57 fulgens Raf. ? 



57 fasciola Raf ? 



57 fasciolaris Raf. ? 



57 flava Raf ? 



57 flexuosa i2a/. ? 



57 flexus Raf ? 



57 fragills Raf ? 



57 gihhosa. Raf. ? 



57 granulatus iva/. ? 



57 interrupta iJa/. ? 



57 lateralis Raf ? 



57 latissima Raf ? 



57 leptodon i?a/.? 



57 laevigata Raf ? 



57 lamobrachys Raf ? 



57 line o lata Raf ? 



57 lividus Raf ? 



57 megaptera Raf. ? 



58 montanus Raf ? 

 58 melaplata A'a/. ? 

 58 nervosa i?a/. ? 

 58 nigra Raf 9 



58 nodulata Raf ? 



58 obliquata 7iV- ^ 



58 obovalis /^a/.? 



58 olivaria Raf ? 



58 ovata Raf ? 



58 Paphos Raf ? 



58 pachostea -Ra/. ? 



58 ponderosus Raf ? 



58 pallida AV/. .? 



58 plateolus Raf ? 



