26 



Cl, V. N os 5g et 60 



* Mya rugulosa , Wood. 

 imdulata , Say, Barn. 



U. varicosa, Lam. 



U. hians , Valenc. 



U. glabratus, Sowerby. 



Mya. undulata , Wood, Sup. 

 monodonta, Say (Unio) (8). 



U. soleniformis , Lea. 

 confragosa, Say, Conrad. 



* ambigua , Say. 



* ponderosum, Raf. Lasmigona. 



* rugosum , id. id. 



* sulcatum, id. id. 



* viridis, id. id. 



* atropurpureum.id.Z)ecM7'tfm&/.>. 



* badium , id. Sulcularia. 



* papyraceum, id. id. 



* sculptilis , Say, Conrad. 



* radiata , Conrad. 

 dubia, Say. (9). 



U. Hildrethianus, Lea. 

 margaritifera , Linné ( Mya ). 



MargaritanaJluviatilisjScn. 



U. e long a ta y Lam., Mich. 



U. Roissyi, Mich. 



Alasm. arcuata, Barri. 

 Ravenelliana , Lea , (Margari- 



tana.) 



Unio. 



paryus, Barn. 



* Glans, Lea (parvus? Say). 



* Lens, Ijea. 



[lœvigatus , selon Conrad;sub- 

 rotundus , selon Say.) 

 suborbiculatus , Lam. (10). 



U. rotundata, Lam. 



U. globulus, Say. 



U. subglobosus , Lea. 

 tetralasmus, Say. 

 lanceolatus , Lea. 

 declivis, Say. (11). 



U. geometricus , Lea. 

 subrostratus , Say. 



[an U. nasulus?) 

 nasutus, Say, Barn. 



U. rostrata, Valenc. 



Mya nasilla, Wood. 

 . complanatus, Soland., Dihv. 



U. violaceus , Spengl. 



U. purpureus , Say, Barn., 



U. coarctata, Lam. 



(d'après son exempl.). 



U. purpurascens, id. id. 



U. rhombula , id. id. 



U, carinifera , id. id. 



U. georgîna 9 id. id. 



U. sulcidens } id. id. 



U. glabrala, id. id. 



U. rarisuLcata ? id. id. 



U \ fluviaidis , Green ? 



U. aurata , Raf. ( d'après 

 Conrad ) . 

 congaraeiis, Lea. 

 augustatus, Lea. 

 subtentus, Say. 

 Carolinianus, Bosc. 



obesus, Lea. 

 camptodon, Say. 



( an Carolinianus ? ) 

 heterodon, Lea. 

 Iris , Lea (i3), 



(subrostratus, selon Say.) 

 Calceolus , Lea (i{). 



(j4lasm.marginata,se\onSay. 

 truncata Say , selon Conr.) 

 purpuratus, Lam. 



U. ventricosa , Soland. 



U. lugubris , Say. 



U. ater, Lea. 

 fasciplus, Raf. (son ex.) (i5). 



subovatus , Lea. (id.) 



[Cardium, var., selon Say et 



Conrad). 

 jun. multiradiatus , Lea, Con- 

 rad. 



(fasciolus , Raf., selon Say.) 

 ovatus, Say, Lam., Raf., Barn. 

 ochraceus, Say, Conrad (16). 



Symphyn. ochracea , Lea. 

 ventricosus, Barn. (17). 



U. Cardium, Say, Conrad. 

 Cardium, Raf., Say (18). 



ventricosus, Var, Barn. 



Occidens, Lea. 



ovatus, var., b, Lam. 

 * capax , Green, Conrad (19). 



[Cardium, var., selon Say.) 

 cariosus, Say, Lam., Barn. (20) . 



luteola, Lam. (d'après son 

 exempl. ). 



