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 Rqf. ? 



57 badium Raf. ? 



57 costata Baf. ? 



57 hians llaf. ? 



57 ponderosum 72a/. ? 



57 papyraceum llaf. ? 



57 rugosum Rqf. ? 



57 sulcatum Raf. ? 



57 scriptum Raf. ? 



57 viridis Raf. ? 

 57 Anodonta atra Raf. ? 



57 aperta Raf? 



57 cuneata Raf. ? 



57 digonota Raf. ? 



57 inflata Raf. ? 



57 lata Raf. ? 



57 Ohiensis Raf. ? 



57 solenoides Raf. ? 

 57 Unio antrosa Raf. ? 



57 atroviolacea Rqf. ? 



57 argyratus Rqf. ? 



57 attenuata Raf. ? 



57 aurata Raf. ? 



57 bicolor Raf. ? 



57 bullata Raf ? 



57 biloba72a/.? 



57 cardium Rqf. ? 



57 Cliff ordiana 22a/.? 



57 calendis Raf? 



57 chloris Raf. ? 



57 castaneus Raf. ? 



57 costata Raf. ? 



57 crassa Raf. ? 



57 cinerescens Raf. ? 



57 cordata Raf. ? 



57 cuneata Raf. ? 



57 cyclips Rqf. f 



57 cuprea 72a/. ? 



57 cyphia 72a/. ? 



57 decorticata 72a/. ? 



Page. 



57 Unio depressa Raf? 



57 diploderma Raf. ? 



57 diaphanus Raf. ? 



57 dilatata 72a/. ? 



57 ellipsaria 72(7/ ? 



57 elliptica 72a/.? 



57 fasciata 72a/. ? 



57 fulvus 72a/. ? 



57 fontinalis 72a/. ? 



57 fulgens 72a/ ? 



57 fasciola 72a/. ? 



57 fasciolaris 72a/. ? 



57 flava72a/.? 



57 flexuosa 72a/. ? 



57 flexus Raf. ? 



57 fragilis 72a/. ? 



57 gibbosa 72a/. ? 



57 granulatus 72a/. ? 



57 interrupta Raf? 



57 lateralis 72a/ ? 



57 latissima 72a/ ? 



57 leptodon72a/.? 



57 laevigata 72a/ ? 



57 lamobrachys 72a/ ? 



57 lineolata 72a/. ? 



57 lividus 72a/. ? 



57 megaptera 72a/. ? 



58 montanus 72a/. ? 

 58 melaplata 72o/. ? 

 58 nervosa 72a/. ? 

 58 nigra 72a/. ? 



58 nodulata72a/.? 



58 obliquata 72a/. ? 



58 obovalis 72cr/. ? 



58 olivaria 72a/. ? 



58 ovata 72a/. ? 



58 Paphos 72a/. ? 



58 pachostea 72a/. ? 



58 ponderosus 72a/. ? 



58 pallida 72«/. ? 



58 plateolus 72a/. ? 



