INDEX 



Anodon feminalis (130) 

 rostratus (128) 

 rugosus (127) 

 triangularis (128) 



Anodonta 127 



angulata (130) 

 argentea (131) 

 arkansasensis (127) 

 beringiana 10, 127 

 biangulata (130) 

 buchanensis (131) 

 cellensis (127) 

 cognata (128) 

 dallasiana (130) 

 denigrata (131) 

 edentula (127) 

 feminalis (130) 

 ferruginea (131) 

 ferussaciana (130) 

 flava (129) 

 footiana (129), 129 

 fragilis (129) 

 gigantea (129) 

 glandulosa (129) 

 grandis 129 

 housatonica (129) 

 implicata 129 

 irisans (129) 

 kennerleyi 128 

 kennicotti fjo 

 lacustris (129) 

 laosensis (128) 

 lewisii (129) 

 marginata 128 

 marryattiana (129) 

 modesta (131) 

 newtonensis (129) 

 nuttalliana 128 

 oblita (131) 

 oregonensis 128 

 ovata (129) 

 pallida (129) 

 pavonia (127) 

 pepiniana 130 

 plicata (131) 

 randalli (130) 

 rotundata (128) 

 rotundovata (128) 

 salmonea (127), (129) 



Anodonta shaetferiana (127) 



showalteri (127) 



simpson iana (130) 



subcarinata (129) 



subcylindracea (131) 



tetragona (127) 



triangularis (128) 



undulata (127) 



wahlamatensis 128 



wardiana (127) 



youconensis (127) 



youkanensis (127) 

 Anodontoides 130 



ferussacianus 130 

 Ansulus (108) 

 Ansylus (108) 

 Aplecta (104), 106 

 Aplexa loo, 102, 104, 105, 107 



hordacea 103 



hypnorum 12, 104, 105, /o6, 107 

 Aplexus (104) 



hypnorum 107 

 Arctonchis 112 



borealis 1 12 

 Arianta arbustorum 21 

 Ariolimax 34, 35, 47 



columbianus 47, 48 



maculatus 48 



steindachneri 48 



stramineus 48 

 Arion andersoni (46) 



foliolatus (47) 

 Arion id ae 46 



Arionta ptychophora (25) 

 Armiger 83, 86 



crista 96 

 Arnouldia (40) 



fulva (41) 

 Aulaca (21) 

 Auricella (115) 

 Auricula (115) 

 Auricularia (60) 

 Auriculidse 115 

 Auriculina (115) 



Bathyomphalus Sj, 86 

 Bifidaria 27 



armifera 2f 



contracta 27 



