Index 



205 



Exacuous megas (Planorbis) Dall 99 



Excavata (Lampsilis) Lea 184 



Excavatus (Somatogyrus) Walk 144 



Excentrica (Ferrissia) Mor 120 



Excentricus (Ancylus) Mor 120 



Excurata (Melania) Con 153 



Exigua (Melania) Con 138 



Exilis (Paludina) Anth 129 



Eximium (Pleurocera) Anth 152 



Fabalis (Micromya) Lea 185 



Fabalis (Unio) Lea 78 



Fabula (Margaritana) Lea 63 



Fallaciosa (Lampsilis) Smith 181 



Fasciata (Unio) Raf 182 



Fasciola (Lampsilis) Raf 182 



Fasciolaris (Obliquaria) Raf 178, 179 



Fassinans (Pleurobema) Lea 172, 173 



Fassinans rhomboidea (Pleurobema) Simp. 



172, 173 



Febigeri (Physa) Lea no 



Fecunda (Melantho) Lewis 127, 128 



Ferrissia Walker 18, 19, 118 



Ferrissiinae Walker 17, 18, 118 



Ferruginea (Amnicola) Calk 133, 134 



Ferussaciana (Anodonta) Lea 57 



Ferussaciana incertopsis (Anodonta) DeG. 177 



Ferussacianijs (Anodontoides) Lea 177 



Filocinctus (Planorbis) P. and F 96 



Filosa (Rhodacmea) Con 118, 122 



Filosus (Acroloxus) Con 122 



Filosus (Ancylus) Con 21, 122 



Filosus (Ancylus) Walk 122 



Fisherola Hann 17, 18, 118 



Flava (Obliquaria) Raf 169 



Flexuosa (Obliquaria) Raf 185 



Flexuosa bullata (Obliquaria) Raf 169 



Floridana (Amnicola) Frfld 133 



Floridana convexa (Amnicola) Pils 134 



Floridana (Cyrena) Con 187 



Floridana (Cyrenella) Dall 88, 190 



Floridana (Cyrenoidea) Dall 190 



Floridense (Campeloma) Call 127, 128 



Floridensis (Goniobasis) Rve 155 



Fluminicola Stimp 31, 32, 141 



Fluminina Clessin 200 



Fluvialis (Fusus) Say 35, 149 



Fluvialis (lo) Say 199 



Foliata (Truncilla) Hild 185, 186 



.Foliatus (Unio) Hild 82 



Foliopsis (Anodonta) DeG 176 



Fontanus (Planorbis) Light 12, 94 



Fontinalina Sterki 200 



Fontinalis (Bulla) L 16 



Fontinalis (Lithoglyphus) Frfld 144 



Fontinalis (Paludina) Phil 144, 145 



Fontinalis (Physa) L 106 



Fontinalis (Pisidium) Pfr 200 



Forsheyi (Physa) Lea no, 116 



Fossarina Clessin 200 



Fragilis (Ancylus) Tryon 20 



Fragilis (Ferrissia) Tryon 118, 119 



Fragilis (Lasmonos) Raf iSo, 182 



Fragilis (Physa) Migh iio 



Fragilis (Unio) Raf 80, 182 



Fraterna (Goniobasis) Lea 158 



Friersoni (Quadrula) B. H. Wr 167 



Fusca (Ferrissia) C. B. Ads 120 



Fusca eugrapta (Ferrissia) Pils 120 



Fusca (Fluminicola) Hald 141 



Fusca minor (Fluminicola) Stearns 141 



Fuscatus (Unio) Lea 175 



Fusconaia Simp 42, 48, 171 



Fuscus (Ancylus) C. B. Ads 19, 120 



Fuscus eugraptus (Ancylus) Walk 120 



Galba Schrenk 6, 8 



Gastropoda 5 



Gaudichaudii (Littoridina) Soul 30 



Geniculata (Anculosa) Hald 149 



Geniculata (Lithasia) Hald 35 



Geniculum (Campeloma) Con 127 



Georgiana altior (Vivipara) Pils 125 



Georgiana fasciata (Vivipara) Tryon .... 125 



Georgiana limnothauma (Vivipara) Pils. . 125 



Georgianus (Somatogyrus) Walk 144 



Georgianus (Viviparus) Lea 125 



Georgianus altior (Viviparus) Pils 125 



Georgianus fasciatus (Viviparus) Tryon . . 125 



Georgianus limnothaumus (Viviparus) Pils. 125 



Gesneri (Goniobasis) Lea 158 



Gibba (Melantho) Curr 129 



Gibbosa (Amblema) Raf j86 



Gibbosus (Unio) Bar 175 



Giganteus (Unio) Bar 167 



Gillia Stimp 31, 32, 146 



Glabra (Physa) DeKay 116 



Glabratus (Planorbis) Say 99, loi, 103 



Glandulum (Pleurocera) Anth 152, 154 



Glans (Carunculina) Lea 180, 181 



Glauca (Goniobasis) Anth 158 



Glebula Con 65, 70 



Globosa (Ampullaria) Sw 124 



Gonidea Con 42, 54, 175 



Goniobasis Lea 34, 36, 149, 1=4 



Gouldiana (Goniobasis) Lea 158 



Gracilentus (Planorbis) Gld 100 



Gracilis (Lampsilis) Bar 182 



Gracilis (Unio) Bar 73, x8o 



Gradatum (Pleurocera) Anth 152 



Grana (Paludina) Say 147 



Granatoides (Goniobasis) Lea 158 



Grandis (Anodonta) Say 176 



Granum (Amnicola) W. G. Binn 147 



Granum (Lyogyrus) Say 147 



Grosvernori (Physa) Lea 108, no, 113 



Gundlachia Pfr 18. 19, 20, 121 



Gwatkiniana (Rhodacmea) Walk 122 



Gyraulus Agassiz 10, 12, 94 



Gyrina (Physa) Say 



16, 106, 110,111, 112, 113, 114, 115 



Gyrotoma Shutt 34, 37, 149, 162 



Haldemani (Ancylus) Bgt 119 



Haldemani (Ferrissia) Bgt 119 



Haldemani (Lymnrea) W. G. Binn 8 



Haldemani (Planorbis) C. B. Ads 102 



Haldemani (Planorbis) Dkr 102 



Haldemaniana (Vivipara) "Shutt." Frfld. 125 



Haldemanianus (Viviparus) "Shutt." Frfld. 125 



