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NEW YORK STATE MUSEUM 



Anodonta, 86 2 . 



benedictensis, 8S 3 . 



benedictii, 88 3 . 



cataracta, 86\ 



decora, 87 s . 



edentula, 85 15 . 



excurvata, 86 9 , 87 1 . 



ferruginea, 89 1 . 



ferussaciana, 8& 8 . 



fluviatilis, 86 3 . 



footiana, 87 7 . 



fragilis, 86 6 . 



grandis, 87*. 



var. benedictensis, 88 1 . 

 var. footiana, 87 7 . 

 var. gigantea, 87 s . 



imbecillis, 87 2 . 



implicata, 86 s , 87 1 . # 



kennicottii, 88 s . 



lacustris, 86 s . 



lewisii, 87*. 



marginata, 86 5 . 



pavonia, 85 s . 



pepiniana, 88 6 . 



salmonia, 87 s . 



simpsoniana, 88 s . 



subcylindracea, 89/. 



undulata, 85 s , 86 1 . 



williamsii, 86*. 

 Anodontoides, 88 7 . 



ferussacianus, 88 s , 89 1 . 

 var. modestus, 89 s . 

 var. subcylindraceus, 89 s . 

 Anomia, 97 s . 



aculeata, 97*. 



ephippium, 97 s . 

 aculeata, 97*. 



glabra, 97 s . 



patellaris, 97 s . 

 Anomiidae, 97 s . 

 Aplexa, 58 s . 



hypnorum, 58 s . 

 Area, 95 5 . 



pexata, 95 s . 



ponderosa, 95 s . 



transversa, 95 T . 

 Arcidae, 95*. 

 Arion, 48 s . 



hortensis, 48 s . 

 Arionidae, 48*. 



Asiphonida, 80*. 

 Astarte, 79 s . 



castanea, 79 s . 



lunulata, 79 s . 



sulcata, 80 1 . 

 Astartidae, 79 s . 

 Auricula bidentata, 51 5 . 



cornea, 51 6 . 



denticulata, 51 s . 

 Auriculidae, 51 2 . 



Basommatophora, 51 2 . 



Bela, f. 



bicarinata, 7 5 . 



concinnula, y\ 



decussata, f. 



harpularia, 7*. 



pleurotomaria, J 1 . 

 Bifidaria, 44 7 . 

 - armifera, 4s 7 , 46 1 . 



contracta, 45*. 



corticaria, 44 7 , 45 1 . 



curvidens, 46 s . 



pentodon, 46 s . 



rupicola, 45 2 . 

 Bittium, 14 7 . 



nigrum, 14 8 . 

 Buccinidae, 4 s . 

 Buccininae, 5 9 . 

 Buccinum, 5 9 . 



lunatum, 6 9 , 7 1 . 



noveboracensis, 6 3 . 



obsoletum, 6 5 . 



olivaeforme, 6 s . 



plicosum, 4 3 . 



trivittatum, 6 2 . 



undatum, 5 9 , 6 1 . 



vibeXj 6 4 . 



wheatleyi, 7 1 . 

 Bulimnea megosoma, 53 1 . 

 Bulimus lubricus, 44*. 

 Bulinus hyphorum, 58 T . 

 Bulla canaliculata, 26*. 



debilis, 26 s . 



gouldii, 26 T . 



inscnlpta, 26', 27 1 . 



obstricta, 26 s . 



oryza, 26*. 



solitaria. 27 1 . 



triticea, 26". 



