Index 



203 



Caurina subalpina (Ferrissia) J. G. Coop. 118 



Caurinus (Ancylus) J. G. Coop 118 



Caurinus subalpinus (Ancylus) J. G. Coop. 118 

 Centrevillensis (Planorbis) Tryon ....97, loi 



Cerea (Goniobasis) Lea 158 



Ceriphasia Sw 151 



Chickasawhensis (Quadrula) Lea 166 



Christyi (Segmentina) Dall 104 



Cigenda (Goniobasis) Anth iS5 



Cincinnatia Pils 29, 136 



Cincinnatiensis (Amnicola) Anth. 13s, 136, 148 



Cincinnatiensis (Cyclostoma) Lea 148 



Cincinnatiensis (Paludina) Anth 29 



Cincinnatiensis (Pomatiopsis) Lea ...136, 148 



Cinctum (Trypanostoma) Lea 151 



Cinerella (Goniobasis) Lea 158 



Cipangopaludina Hann 126 



Circincta (Goniobasis) Lea 158 



Circulus (Obovaria) Lea 180 



Circumlineata (Goniobasis) Tryon 156 



Circumstriatus (Planorbis) Tryon ....97, 102 



Clappi (Clappia) Walk 31, 146 



Clappia Walk 31, 146 



Clarkei (Amnicola) Pils i33 



Clarkii (Strephobasis) Lea 149. iS4 



Clathrata (Goniobasis) Lea 156 



Clathrata (Tryonia) Stimp 29, 139 



Clava (Unio) Lam 50 



Clavula (Goniobasis) Lea 156 



Clavus (Pleurobema) Raf 172 



Clinchensis (lo) C. C. Ads 199 



Clintonensis (Ptychobranchus) Simp 182 



Coarctata (Melantho) W. G. Binn 128 



Coarctata (Paludina) Lea 128 



Coarctatus (Planorbis) Sby 97 



Coccinea (Quadrula) Con t66, 167 



Cochliaris (Goniobasis) Lea 156 



CocRliopa Stimp 31, 141 



Cognatus (Unio) Lea 70 



Cokeria Marshall 83, 187 



Columbiana (Fluminicola) Hemp 141 



Columbiensis (Goniobasis) Whiteaves .... 156 



Columella (Lymnaea) Say 7 



Comalensis (Amnicola) P. and F. ". 133 



Comalensis (Goniobasis) Pils 156 



Comalensis fontinalis (Goniobasis) 



P. and F i57 



Commutatus (Planorbis) Sby 98 



Complanata (Alasmodonta) Bar 61 



Complanatus (Unio) Dill 174 



Compressa (Lasmigona) Lea 177 



Compressa (Symphynota) Lea 60, 177 



Compressa lindus (Unio) DeG 177 



Compressissimus performosus (Unio) DeG. 179 



Compressum (Pisidium) Pme 200 



Compressum limnicolum (Pisidium) Sterki 189 

 Compressum smithii (Pisidium) Sterki . . 189 



Concestator (Lampsilis) Lea 1S2 



Confragosa (Alasmodonta) Say 58 



Congeria Bartsch 84 



Coniformis (Physa) Tryon 107, 108 



Connesaugaensis (Goniobasis) Lea 157 



Conradi (Pleurobema) Van 172 



Conradicus (Unio) Lea 70 



Consanguineus (Unio) DeG 172 



Constricta (Lampsilis) Con i8t 



Constrictus (Somatogyrus) Walki 143 



Contectoides (Viviparus) W. G. Binn. 124, 125 

 Contectoides compactus (Viviparus) Pils. 125 

 Contectoides impolitus (Viviparus) Pils. 125 



Contectus (Viviparus) Millet 124 



Contigua (Goniobasis) Lea 157 



Cooperi (Lymnsa) Hann. 94 



Cooperi (Physa) Tryon 108 



Cooperiana (Quadrula) Lea 166 



Cooperianum (Musculium) Pme 188 



Cooperianum (Sphaerium) Pme. '. 188 



Coosaensis (Lioplax) Tryon 130 



Coosaensis (Paludina) Lea 130 



Coosaensis (Somatogyrus) Walk 143 



Coosaensis (Tulotoma) Lea 130 



Coosaensis (Vivipara) W. G. Binn 130 



Cor (Pleurobema) Con 172, 173 



Cordata (Obovaria) Raf 168 



Cornea (Strephobasis) Lea 149 



Cornea (Tellina) L 86, 200 



Corneocyclas Fer 189, 200 



Corneola Cless i99 



Corneum (Pleurocera) Lea iS4 



Corneum (Sphaerium) L i99 



Corneum (Trypanostoma) Lea 151 



Corneus (Planorbis) L 94 



Corolla (Melania) Gld 30 



Coronatus (Paludina) Pfr 140 



Coronatus (Potamopyrgus) Pfr 30, 140 



Corpulentus (Planorbis) Gould 104 



Corpulentus (Planorbis) Say 98 



Corrigata (Hydrobia) Frfld 137 



Corrigata (Paludestrina) Frfld i37 



Corrugata (Goniobasis) Lea 158 



Costata (Amblema) Raf 47, 168, 170, 171 



Costata (Alasmidonta) Raf 60 



Costata (Physa) Newc 16, 106 



Costata (Symphynota) Raf 200 



Costatella Dall 16, 106 



Costatus (Planorbis) D. and B 98 



Costulata (Goniobasis) Lea 158 



Couperi (Goniobasis) Lea 1 55 



Crandalli (Goniobasis) Pils I57 



Crandalli (Physa) Baker 109, 11 1 



Crapulus (Unio) Lea 17.? 



Crassa (Eurycoelon) Hald i49 



Crassa (Unio) Raf 183 



Crassidens (Unio) Lam .' 52, 174 



Cr^ssilabris (Segmentina) Walk 104 



Crassilabris (Somatogyrus) Walk 143 



Crassula (Campeloma) Raf 25 



Cjassus (Ancylus) Hald 117 



Crassus (Lanx) Hald 117 



Crassus (Somatogyrus) Walk 143 



Crenodonta Schliiter 171 



Crista (Planorbis) L 13.94,98 



Cristata (Valvata) Miill 27 



Crocata (Physa) Lea 109 



Crudum (Pleurobema) Lea 172 



Cubensis (Physa) Pfr ■ 109 



Cubicoides (Goniobasis) Anth iS9 



Cultratus (Planorbis) d'Orb 12,98 



Cumberlandia Ortmann 40, 41. I'^S 



Cumberlandiensis (Goniobasis) Tryon .... 157 



