2o6 



Index 



Haldemanina Dall 



Haleanus (Viviparus) Lea 



Halei (Physa) Lea 



Ilallenbeckii (Goniobasis) Lea 



Harni (Planorbis) Pils 



Harperi (Ainnicola) Dall 



Harijethensis (Anculosa) Pils 



Hartmaniana (Strephobasis) Lea 



Hatcheri (Littoridina) Pils 



Hauffenia Poll ;i3, 



Havanensis (Planorbis) Pfr 



Havanensis (Segmentina) Pils 



Hawnii (Physa) Lea no, 



Heathella Hannibal 



Ilelisoma Sw lo, ii 



Ilemilastena Simp 



llemisphrerica (Ferrissia) Walk 



Hemisphaerious (Ancylus) Walk 



Hemistena Raf 



Hemphilli (Bythinella) Pils 



ilemphilli (Paludestrina) Pils .. 



Hendersoni (Ancylus) Walk 



Hendersoni (Ferrissia) Walk 



Hendersoni (Somatogyrus) Walk 



Henslowianum (Pisidium) Shepp 



Heros (Natica) Say 



Heros (Quadrula) Say 



Heros (Unio) Say 46, 



Hesione d'Orb 



Heterodon (Unio) Lea 63, 



Heterostropha (Physa) Say 



16, 107, 108, T09, III, 



Heterostropha alba (Physa) Grand. ..iii, 

 Heterostropha peninsuhe (Physa) IMls. . . 



Hildrethiana (Physa) Lea 1 10, 



Hinkleyi (Ancylus) Walk 



Hinkleyi (Gnndlachia) Walk 



Hinkleyi (Pomatiopsis) Pils 



Hinkleyi (Rhodacmea) Walk 



Hinkleyi (Somatogyrus) Walk 



Hippeutis Agassiz 10, 12 



Hippopxus (Unio) Lea 



Hirsutiis (Planorbis) Gld 13, 98, 



Hirsutus borealis (Planorbis) West 



Hjalmarsoni (Gundlachia) Pfr 



Holstonia (Margaritana) Lea 61, 



Horatia Bgt 33< 



Hordacea (Aplexa) Lea 



Hordacea (Physa) Lea 



Horni (Planorbis) Tryon 100, 



Humeralis californica (Valvata) Pils 



Humerosa (Physa) Gld 16, 109, in, 



Humerosus (Somatogyrus) Walk 



Humilis (Lymnsa) Say 



Hypnorum (Aplexa) L 114, 



Hypnorum arctica (Aplexa) Cless 



Hypnorum glabra (Aplexa) DeKay 



Hypnorum tryoni (Aplexa) Curr 



Hypnorum (Bulla) L 



41 

 94 

 78 

 20 

 20 



75 

 i7 

 37 

 '-9 

 19 

 44 

 200 

 23 

 O7 

 7 I 

 74 

 78 



Incrassata (Paludina) Lea 



Indianensis (Goniobasis) Pils 



Inosculata (Goniobasis) Tryon 



Integer (Lithoglyphus) Frfld ... 



Integer (Somatogyrus) Say 



Integra (Physa) Hald 108, in, 



Integrum (Campelonia) Say 23, 127, 



Integrum obesum (Campelonia) Lewis. 127, 



Intensum (Pleurocera) Rve 



Intercalaris (Planorbis) Rhoads 



Intermedia (Bythinella) Tryon 



Intermedia (Pomatiopsis) Tryon 



Intermedia (Quadrula) Con 



Interrupta (Oblirjuaria) Raf 



Intertextus (Planorbis) Sby 



Intertextus (Viviparus) Say 24, 



lo Lea 34, 35, 1^9, 



Iris (Eurynia) Lea 



Iris (Lampsilis) Lea 



Irrorata (Cyprogenia) Lea 



Irroratus (Unio) Lea 



Isogona (Melania) Say 



128 

 158 

 159 

 144 

 144 

 112 

 128 

 128 

 151 

 99 

 138 

 138 

 167 

 186 

 100 



182 



179 



69 



145 



Idahoense (Pisidium) Roper 200 



Idiopoma Pils 126 



Imbecillis (Anodonta) Say 176 



Imitator (Paludestrina) Pils 138 



Imperitus (L^nio) DeG i79 



Japonica (Paludina) Wood 126 



Japonicus (Viviparus) Mts 126 



Jayanum (Musculium) Pme 87 



Jenksii (Planorbis) H. F. Carp 100 



Johnsoni (Amnicola) Pils 134 



Jugosus Simp 199 



Kincaidella Hann 19, 20, 121 



Kingii (Lymnaea) Meek 9 



Kirklandi (Ancylus) Walk 120 



Kirklandi (Ferrissia) Walk 120 



Kirtlandiana (Quadrula) Lea 167 



Klamathensis (Lanx) Hann 18, 118 



Klecakiana (Horatia) Bgt 33 



Knoxense (Pleurocera) Lea 200 



Kootaniensis (Ancylus) Bd 117 



Kootaniensis (Lanx) Bd 117 



Labiatum (Pleurocera) Lea 151 



Lachrymosa (Quadrula) Lea 167 



Lachrymosus (L^nio) Lea 44 



Lachrymosa contraryensis (Quadrula) Utt. 1O7 



Lacustrina Sterki 200 



Lacustris (Nautilus) Light 13 



Lacustris (Tellina) Miill 87 



Laevapex Walk 19, 120 



Laevigata (Goniobasis) Lea 158 



Laevigata (Melania) Lam 158 



Lamellibranchia 39, 165 



Lampsilinx Ort 42, 64, 178 



Lampsilis Raf 66, 78, 180 



Lanceolatus blandus (Unio) DeG 179 



Lancides (Fisherola) Hann 18, 118 



Lancinze Hann 17, 117 



Lanx Cless 17, 117 



Lapidaria (Cyclostoma) Say 34 



Lapidaria (Pomatiopsis) Say 143 



Laqueata (Goniobasis) Say 158 



Lasmigona Raf 55, 59, 60, 177 



Lasmonos Raf 180, 182 



Lastena Raf 43. S3. I75 



Lata (Anodonta) Raf 54 



