Ci,. V. N« 59 et 60. 



* Mya rngulosti , Vfooà. 

 undulata , Say, Barii. 



ZJ. varlcosa , Lam. 



U. hians , Valenc. 



U. glahratiis , Sowerby. 



Mya. undulata, "Wooi, Sitp. 

 inonodonta, Say (Unio) (8). 



U. soleniformis , Lea. 

 confragosa, Say, Conrad. 



* ambigua , Sny. 



■^ ponderosum, Raf. Laamigona. 



* rugosum , id. id. 



* sulcatum, id. id, 



* viridis, id. id. 



* atropurpureum.id. Z)<'c7/;Yi/M&i.f. 

 "' badium, id. Sulcularia. 



* papyraccum, id. id. 



* sculptilis , Say, Conrad. 



* radiata , Conrad. 

 dubia, Say. (g). 



U. HUdrethianus, Lea. 

 margaritifera , Linné ( Mya ) . 

 Margaritanajlm'iatilis, Sch. 



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



U. Roissyi, Micb. 



Alasm. arcuata, Barn. 

 Ravenelliana , Lea , (Margari- 



tana.) 



Umo. 



parvus, Barn. 



* Glans, Lea {parvus? Say). 

 ■^ Lens, Luea. 



[lœvigatus, selon Conrad;suh- 

 rotundus , selon Say.) 

 suborbiculatus, Jjam. (10). 



JJ . rctundaia, Lam. 



U. globulus, Say. 



U. suhglobosus , Lea. 

 tetralasmus, Say. 

 lanccolatus , Lea. 

 declivis, iVaj. (11). 



U. geometricus , Lea. 

 subrostratus , Say. 



{an U. nasutiis?) 

 nasutus, Say, Barn. 



U. rostrata, Yalenc. 



Mya nasuta, Wood. 

 complanatus , Soland., Dihv. 



('"-)■ 

 V . violaceus , Spcngl. 



U. piirpureus , Say, Barn., 



U. coarctata, Lam. 



(d'après son exempl.). 



U. purpurascens, id. id. 



U, rhomhula , id. id. 



U. cartnij'era , id. id. 



U. georgina , id. id. 



U. sulcidens , id. id. 



U. glabrala , id. id. 



U. rarisulcata? là. id. 



U . fliwiatdis , Green ? 



V . aurata , Raf. ( d'après 

 Conrad ). 

 congarreus, Lea. 

 augustatus, Lea. 

 subtentus, Say. 

 Carolinianus, Base. 



obesus , Lea. 

 camptodon, Say. 



{ an Carolinianus ? ) 

 bcterodon , Lea. 

 Iris , Lea (i3). 



(subrostratus, selon Say.) 

 Caiceolus , f.ea (l'f). 



{^lasm.marginata,se\onSay. 

 truncata Say , selon Conr.) 

 purpuratus, Lam. 



U. ventricosa, Soland. 



U. luguhris , Say. 



U. a ter, Lea. 

 fasciolus, Ba/. (son ex.) ('5). 



subovatus , hea. (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). 



SynipJiyn. ochracea , Lea. 

 ventricosus, Barn. (17). 



U. Cardium, Say, Conrad. 

 Cardium, Raf., Saj (18). 



ventricosus, Var, Barn. 



Occidens, Lea. 



ovatus, var., b, Lam. 

 capax , Green. Conrad (19). 



{Cardium, var., selon Say.) 

 diriosus, S ay,L^am., Barn. ('-«o). 



luteola, Lam. (d'après son 

 exempl. ). 



