INDEX 



New genera and species and the pages on which they are described are in 

 black-face type; synonyms in parenthesis; pages where synonymy of known 

 species or genera is given in italics; subspecies are treated as species for the 

 purposes of the Index. 



Acanthinula 21 



aculeata 21 



harpa (22) 

 Acella (60), 64, 72 



kirtlandiana 72 

 AchatinidjE 33 

 Acmfea 113 

 Acroloxus 108, 109 

 Acroxus (io8) 

 Adelina (60) 



elegans 60 

 Adula (82) 

 Agriolimax ^5 



agrestis ^5 



berendti 46 



campestris 46 



hyperboreus 4^ 

 Alasmidonta costata (131) 

 Alasmodon falcata (132) 



rhombica (127) 



yubaensis (132) 

 Alasmodonta arcuata (132) 



complanata ( 131 ) 



dahurica (132) 



rugosa (131) 

 Amalia 46 



gagates 46 



hewstoni 46 

 Ameria lol 

 Amnicola 7/7 



cincinnatiensis 118 



emarginata Ij8 



granum (liS) 



hindsii (119) 



lapidaria (119) 



limosa Jiy 



pallida /// 



Amnicola porata (117) 

 Amnicolidas 7/7 

 Amphibinajj 



avara 55 



pfeifferi 55 

 Amphibulima (55) 



cuculata 55 



patula 55 

 Amphibulimus (55) 

 Amphibulina (55) 

 Amphipeplea 78 

 Amplexa ( 104) 

 Amplexis {22) 

 Amplexus (22), (104) 

 Ancseus (82) 

 Ancylastrum loS, 109 



cumingianus 108 

 Ancyllus (loS) 

 Ancylus 11, 707, (loS), 109 



caurinus (lio) 



cumingianus 108, 109 



fluviatilis 107, 108, 109 



fragilis no 



fuscus 109 



kootaniensis 770 



lacustris 107, 108, 109 



newberryi 109 



parallelus 770 



patelloidcs 109 



radiatus 108 



rivularis 709, (no) 

 Anguispira alternata (49) 



bruneri (52) 

 Angustula milium (32) 

 Anisopsis (81), 85 

 Anisus 81, (82J, 84 

 Anodon areolatus (127) 



(235) 



