202 



Index 



Baculoides (Goniobasis) Lea 155 



Baculum (Melania) Anth 155 



Badium (Alasmodon) Raf 177 



Bairdiana (Goniobasis) Lea 160 



Bakeriana (Amnicola) Pils 133 



Bakeriana nimia (Amnicola) Pils 133 



Bariosta Raf 170 



Barnesiana (Fusconaia) Lea ....171, 172, 173 

 Barnesiana bigbyensis (Fusconaia) 



Lea 172, 173 



Barnesiana tumescens (Fusconaia) Lea . . 172 



Barnesianum (Pleurobema) Lea 171 



Basommatophora 5, 93 



Beadleana (Quadrula) Lea t66 



Bengalensis (Cyrena) Lam 85 



Bengalensis (Viviparus) Lam 126 



Bentonensis (Goniobasis) Lea 155 



Berendti (Planorbis) Tryon 105 



Biangulatus (Planorbis) Sby 95 



Biangulatus (Somatogyrus) Walk 143 



Bicarinata (Valvata) Lea 130 



Bicarinata connectans (Valvata) Walk. . . 130 



Bicarinata normalis (Valvata) Walk 130 



Bicarinata perdepressa (Valvata) Walk. . 130 



Bicarinatus (Planorbis) Say 11, 94, 95 



Bicarinatus angistomus (Planorbis) Hald. 95 

 Bicarinatus arostookensis (Planorbis) 



Pils 95 



Bicarinatus corrugatus (Planorbis) Curr. . 95 



Bicarinatus major (Planorbis) Beck 95 



Bicarinatus major (Planorbis) Walk 95 



Bicarinatus minor (Planorbis) Beck 95 



Bicarinatus percarinatus (Planorbis) Walk. 95 

 Bicarinatus portagensis (Planorbis) Baker 96 

 Bicarinatus royalensis (Planorbis) Walk.. 96 

 Bicarinatus striatus (Planorbis) Baker ... 96 

 Bicarinatus unicarinatus (Planorbis) Hald. 96 



Bicinctum (Pleurocera) Tryon 151 



Bifasciata (Goniobasis) Lea 155 



Bigbyense (Pleurobema) Lea 172 



Billingsi (Physa) Heron 108, 11 1 



Billingsi (Planorbis) Lea 96, 102 



Biloba (Epioblasma) Raf 185, 186 



Binneyana (Cincinnatia) Hann 136 



Binneyana (Physa) Ancey 108, 113 



Binneyi (Bythinella) W. G. Binn 148 



Binneyi (Planorbis) Tryon 98, 104 



Binneyi (Pomatiopsis) Tryon 148 



Bitaeniatum (Pleurocera) Con 154 



Blanda (Goniobasis) Lea 162 



Blanda (Melania) Lea 162 



Blandi (Physa) Lea 108 



Boreale (Pisidium) West 189 



Borealis (Ampullaria) Val 123 



Borealis (Ancylus) Mse 118 



Borealis (Ferrissia) Mse n8 



Borealis (Planorbis) West 100 



Borealis (Lampsilis) Baker 183 



Borealis (Lampsilis) Gray i8i 



Boykiniana (Goniobasis) Lea 155 



Breve subellipticum (Pleurobema) Simp. 



172, 173 



Brevicula (Lampsilis) Call 181 



Brevidens (Truncilla) Lea 186 



Brevis (lo) Anth 199 



Urevispira (Physa) Lea 108 



Brevissima (Bythinella) Pils 137 



Brevissima (Paludestrina) Pils 137 



Brownii (Amnicola) H. F. Carp 147 



Hrownii (Lyogyrus) H. F. Carp 747 



Brownii (Valvata) H. F. Carp 147 



Buchanensis (Planorbis) Lea 98, 99 



Bulbosa (Goniobasis) Lea 155, 159 



Bnlimn;ea Hald 6, 8 



Bullata (Obliquaria) Raf 168, 169 



Bullella Simp 62, 64 



Burroughianus (Viviparus) Lea 126 



Bursapastoris (Quadrula) B. H. Wr 165 



Bythinella Moq.-Tand 136 



Bythinia Leach 28, 132 



Bythininx Stimp 27, 132 



Caslata (Micromya) Con 185 



Cxlatus (Unio) Con 80 



Cahawhensis (Rhodacmea) Walk 122 



Calcarius (Ancylus) DeKay 121 



Calceola Sw 178 



Calceolus sciotincola (Unio) DeC^ 178 



Californica (Goniobasis) Cless 155, 159 



Californica (Gundlachia) Row. ...20, 119, 121 



Californica (Hydrobia) Tryon 137 



Californica (Melania) Cless 155 



Californica (Pomatiopsis) Pils 148 



Californiciuii (Pisidium) Newc 189 



Caliginosa (Ampullaria) Rve 124 



Calli (Valvata) Hann 130 



Callioglyptus (Planorbis) Van 96, loi 



Callina Hannibal 125 



Calyculina Cless 188 



Campanulatus (Planorbis) Say 12, 94, 97 



Campanulatus minor (Planorbis) Dkr. ... ^-j 

 Campanulatus rudentis (Planorbis) Dall 



97, loi 



Campanulatus smithii (Planorbis) Baker . 97 



Campeloma Raf 24, 25, 127 



Canthyria Sw 51, 52 



Capax (Lampsilis) Green 181 



Caperata (Lymnaea) Say 8 



Cardium (Lampsilis) Raf 184 



Caribrcus (Planorbis) d'Orb 97 



Carinata (Paludina) Val 126 



Carinatum (Pleurocera) Lea i5» 



Carinatum (Strephobasis) Lea 151 



Carinatum (Trypanostoma) Lea 151 



Carinatus (Neoplanorbis) Walk 123 



Carinifera (Physa) Ancey 103 



Cariniferum (Gyrotoma) Anth 163 



Carinifex W. G. Binn 14, 15, 106 



Carltonii (Physa) Lea 108 



Cariosa (Lampsilis) Say 181 



Caroliniana (Cyclas) Bosc 85 



Carunculina Simp 66, 76, 180, 183 



Carus (Planorbis) P. and F 97 



Castaneum (Pleurocera) Lea 151 



Castaneum (Trypanostoma) Lea 151 



Castus mirus (Unio) DeG 181 



Cataracta (Anodonta) Say 57, 176 



Catenaria (Goniobasis) Say iS5 



Catillus (Unio) Con 166 



Caurina (Ferrissia) J. G. Coop 118 



