bicostatum, (P.) Anth., 25, 74 



Binneyana, (G.) Lea, 51 



Binneyi, (Pomatiopsis) Tryon, 14 

 bipennata, (Xytotrya) Turton, 



bitaeniata, (St.) Con, 

 bivittatum, (P.) Lea, 

 bizonalis, (G.) DeKay, 

 blanda, (G.) Lea, 

 Boykiniana, (G.) Lea, 

 brevis, (G.) Lea, 

 brevis, (lo) Anth., 

 brevis, (L.) Lea, 

 brevispira, (G.) Anth., 

 Bridgesiana, (G.) Lea, 

 Brumbyi, (G.) Lea, 

 Brumbyi, (P.) Lea, 

 brunnea, (G.) Anth., 

 Buddii, (G.) DeKay, 

 Buddii, (G.) Lea, 

 Buddii, (Sch.) Lea, 

 Buddii, (Sch.) Lea, Reeve, 

 Buddii, (G.) Say, Adams, 

 Buddii, (G.) Lea, Reeve, 

 bulbosa, (G.) Gould, 

 bulbosum, (Sch.) Anth., 

 bullata, (Physa) Gld., 

 bullula, (G.) Lea, 



34. 



11 

 76 

 '29 

 59 

 38, 42, 77 



35,76 

 84 

 21 

 33 



56, 80 

 48 

 54 



. 25 



51, 79, 80 



59 



59, 81 



63, 64 

 64 

 81 

 84 

 53 



62, 63 

 15 



86,87 



cadus, (G.) Lea, 39, 77 



cahawbensis, (G.) Lea, 55 



caelatura, (G.) Conr., 36, 76 



calculoides, CG..) Lea, 86 



caliginosa, (G.) Lea, 44, 78 

 canaliculatum, (P.) Say, 22, 33, 74 



canalifera, (Anc.) Anth., 35, 66 



canalitium, (P.) Lea, 24 



Canbyi, (G.) Lea, 37 



cancellata, (GO Say, 46, 78 



caperata, (Limnaea) Say, 15 



capillaris, (G.) Lea, 87 



carinata, (Anc.) Anth., 68 



carinata, (Anc.) Brug., 89 



carinata, (Anc.) DeKay, 67 



carinata, (Anc.) Lea, 67, 89 



carinata, (Anc.) Rav., 72 



carinata, (GO Rav., 58 



carinata, (St.) Lea, 34 



carinatum, (P.) Lea, 91 



carinifera, (G.) Lam., 38, 76 



cariniferum, (Sch.) Anth., 62 



carinocostata, (G.) Lea, 39, 77 



Carolinense, (P.) Lea, 29 



casta, (G.) Anth., 48 



castanea, (GO Lea, 56 



castaneum, (Sch.) Lea, 62 



catascopiurn, (Limnaea} Say, 15 



Catawbaea, (G.) Hald., 49, 79 



catenaria, (GO Lea, 37 



catenaria, (G.) Say, 36, 96 



catenoides, (GO Lea, 38, 76 

 cerea, (G.) Lea, 



Chakasahacnse, (P.) Lea, 28 

 chalybaea, (G.; Anth., Brot., 47, 77 



Christyi, (G.) Lea, 40, 77 

 Christyi, (P.) Lea, 

 Cincinnatiensis,(Amnicola) Anth. 12 



Cincinnatiensis,(Anc.) Lea, 70 



cinctum, (PO Lea, 91 



cinerea, (G.) Lea, 54, 80 



cinerella, (GO Lea, 44 

 cingenda, (Anc.) Anth., 



cinnamomea, (G.) Anth., 48 



circincta, (G.) Lea, 45, 78 



clara, (G.) Anth., 86 



Clarkii, (G.) Lea, 4H 



Clarkii, (JP.J Lea, 24 

 Clarkii, (St.; Lea, 

 clausa, (G.) Lea, 



clavaeformis, (GO Lea, 55, 80 



cognata, (G.) Anth. 52 



columella, (G.) Lea, 41 



comma, (G.) Conr., 46, 78 



compacta, (L.) Anth., 33 



concinna, (GO Lea, 46, 78 



congesta, (G.) Conr., 50, 79 



conica, (PO Say, 23, 74 



conica, (Sell.) Shutt, 65 



Conradi, (G.; Brot, 38 

 Conradi, (P.; Tryon, 

 consanguinea, (L.) Anth., 



constrictum, (SchO Lea, 64, 88 



continens, (G.) Lea, 43 



contorta, (Anc.) Lea, 71 



Cooperi, (Cyclotus) Tryon, 18 



Coosaensis, (Anc.) Lea, 70, 72 



Coosaensis, (G.) Lea, 83 



copiosa, (G.) Lea, 85 



coracina, (G.) Anth., 41 



cornea, (P.) Lea, 91 



cornea, (St.) Lea, 34 



corneola, (G.) Anth., 43 



.coronilla, (G.) Anth, 47, 77 



corpulenta, (Anc.) Anth., 68 



corpulentus, (Planorbis) Say, 12 



corpulentiH, (St) Anth., 34 



cbrrecta, (G.) Brot, 52 



corrugata, (G.) Lea, 44 

 coetata, (Anc.) Anth., 66, 69, 89 

 costata, (Anc.) Rav., 



costata, (Physa) Newcomb, 15 



costifera, (G.) Hald., 42 



costulata, (G.) Lea, 44, 77 



