NORTH AMERICAN CONCHOLOGY. 



275 



Pa. 



Name. 



Pa 





Solecurtus caribaeus Blain. 



2 





Mya acuta .Sa^f/. 



Lutraria canaliculata Say. 



2 

 2 





lineata Say. 



2 





Mactra fragilis. 

 lateralis Say. 



2 

 2 





oblonga Say. 

 similis Say. 



2 

 2 





Amphidesma equalis Say. 

 orbiculata Say. 

 punctata Sa-y. 

 radiata Say. 



2 

 2 

 2 

 2 





transversa Say. 



2 





Corbula contracta 5"^^. 



2 





Saxicava distorta -S'o^. 



2 





Petricola pholadifirmis Lam. 



9 





dactylus Say, 

 Psammobia fusca Sf/y. 



2 

 2 





Sanguinolaria rugosa Lam. 



2 



2 



Tellina alternata Say. 



2 



2 



brevifrons Say. 



2 



2 



flexuosa Sny. 



2 



2 



iris Say. 



2 



2 



mera Say. 



2 



2 

 2 



polita Say. 

 tenuis Say. 



2 

 2 



2 



Lucina divaricata Lam. 



2 



2 



Donax variabilis Say. 



2 



2 

 2 

 2 



Cyclas partumeia Say. 

 Cyrena Carolinensis Say. 

 Cytherea occulata Say. 



2 

 2 

 3 



2 



concentrica Lam. 



3 



2 



Venus mercenaria Ltiin. 



3 



2 



elevata Say. 



3 



2 



notata Say. 



3 



2 



2 



praeparca Say. 

 Cardium muricatum Linii. 



3 

 3 



2 



ventricosum Latn. 



3 



2 



Area incongrua Say. 



3 



2 

 2 



pexata Say. 

 ponderosa Say. 



3 

 3 



2 



transversa Say. 



3 



') 



zebra Say. 



3 



2 



Uuio alatus Say. 



3 



2 



aratus (new) Conr. 



3 



Name. 

 Unio albo-marginatus Lea, 

 Blandingianus Lea. 

 Boykinianus Lea. 

 clavus Lam. 

 complanatus Lam. 

 congareus Lea. 

 conradicus Lea. 

 contrarius (new) Conr. 

 crocatus Lea. 

 Cumberlandicus Lea. 

 declivis Say. 

 Dariensis Lea. 

 "Whiteanus Lea. 

 dolabriformis Lea. 

 Dromas Lea. 

 Duttonianus Lea. 

 exiguus Zea. 

 folliculatus Lea. 

 Geddingsianus Lea. 

 Georgianus Lea. 

 Hopetonensis Lea. 

 icterinus Conr, 

 incrapatus Lea. 

 iris Lea. 

 irroratus Zer/. 

 Le Contianus Lea. 

 lanceolatus Lea. 

 limatulus (new) Conr. 

 lineatus Lea. 

 lienosus Lea. 

 lugubris Lea. 

 modioliforniis Lea. 

 Masoni Conr. 

 niger liaf. 

 nusutus Say. 

 nucleopsis (new) Conr. 

 obesus Lea. 

 obtusus Lea. 

 ochraceus (var.) Say. 

 Ogeechensis (new) Conr. 

 oratus (iiew) Conr. 

 patulus Zen. 

 paulus L^ea. 

 pro ductus Conr. 

 pusillus Lea. 



