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 ^2 

 Achatinidae 33 

 Acmaea 113 

 Acroloxus 108, 109 

 Acroxus (108) 

 Adelina (60) 



elegans 60 

 Adula (82) 

 Agriolimax ^5 



agrestis .^5 



berendti 46 



campestris 46 



hyperboreus ^j" 

 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 loi 

 Amnicola 7/7 



cincinnatiensis jj8 



emarginata J18 



granum (118) 



hindsii (119) 



lapidaria (119) 



limosa 7/7 



pallida 777 



Amnicola porata (117) 

 Amnicolidae 777 

 Amphibinajj' 



avara 55 



pfeifferi 55 

 Amphibulima (55) 



cuculata 55 



patula 55 

 Amphibulimus (55) 

 Amphibulina (55) 

 Amphipeplea 78 

 Amplexa (104) 

 Amplexis (22) 

 Amplexus (22), (104) 

 Ancaeus (82) 

 Ancylastrum 108, 109 



cumingianus 108 

 Ancyllus (108) 

 Ancylus 11, 707, (108), 109 



caurinus (no) 



cumingianus 108, 109 



fluviatilis 107, 108, 109 



fragilis Jio 



fuscus 109 



kootaniensis 770 



lacustris 107, 108, 109 



newberryi 109 



parallelus iro 



patelloides 109 



radiatus 108 



rivularis 709, (no) 

 Anguispira alternata (49) 



bruneri (52) 

 Angustula milium (32) 

 Anisopsis (81), 85 

 Anisus 81, (82), 84 

 Anodon areolatus (127) 



(235) 



