NORTH AMERICAN CONCHOLOGY. 



335 



Page. 





Page. 





480 



Physa heterostropha. 



482 



Helix fuliginosa. 



480 



Limsea palustris. 



482 



hirsuta. 





L. elodes. 



482 



pulchella. 



480 



desidiosa. 



482 



indentata. 



4&0 



caperata. 



482 



electrina. 



480 



humilis. 



482 



labyrinthica. 



481 



Planorbis bicarinatus, 



482 



Succinea obliqua. 



481 



parvus. 



482 



Unio cariosus. 



481 



Ancylus rivularis. 



482 



radiatuB. 



481 



Helix albolabris. 



482 



complanatus. 



481 



thyroides. 



482 



viridis. 



481 



tridentata. 



482 



Alasmodon undulatus 



481 



concava. 



482 



marginatus. 



481 



alternata. 



482 



Anodon cataractus. 



481 



hirsuta. 



482 



undulatus. 



482 



palliata. 







Taylor. — Xotice of occurrence of Green-gilled Oysters: by W. 

 J. Taylor. (From Amer. Journ. Sci., n.s., vol. xxv, p. 294. 

 March, 1858.) 



Gould. — Catalogue of Maine Shells: by Dr. A. A. Gould. (In 

 First Report on the Geology of the State of Maine, by Charles 

 F. Jackson, M. D., p. 119. Augusta, 1837.) 



Page. 



119 Solen ensis L. 



119 Solecurtus costatus Say. 



119 Glycimeris siliqua Lam. 



119 Mya mercenaria Linn. 

 119 truncata. 



119 hyalina Conr. 



119 Anatina Leana Conr, 



119 Mactra gigantea L^nm. 



119 Solemya velum Say. 



119 Saxicava distorta Say. 



119 Sanguinolaria fusca Conr. 



119 Crassina Danmonlensis 



AaUtrtc cnstuneaScLy. \_Lam. 



119 Cyprina Islandica L^am. 



119 Cardium Icelandicum. 

 119 Groenlandicum. 



119 Unio complanatus Sol. 



119 Alasmodontamargaritifera 



119 undulata Say. [ Gmel. 



119 Anodonta marginata Say. 



119 Modiola papuana Lam. 



119 plicatula Iahh. 



119 MytiluB edulis Linn. 



119 pellucidus Penn. 



119 Pecten Magellanicus Lam. 



119 Islandicus Lmui. 



119 Oetrea Canadensis Lam. 



119 Anomia ephippium. 



119 Terebratula . 



119 Chiton . 



119 Patella amoena Say. 



119 Crepidula fornicata Say. 

 119 plana Say. 



119 Helix albolabris Say. 



