INDEX 



163 



Limnseus decollatus (68) 



elodes (76) 



elongatus (77) 

 Limnea (60) 



adelinze (78) 



caperata (79) 



catascopium (68) 



cochlea (59) 



columella (70) 



desidiosa (73) 



expansa (76) 



fragilis (76) 



galbana (74) 



gracilis 60 



humilis (73) 



megasoma 60, (67) 



serrata (69) 

 Limneus (60) 



desidiosus (73) 



emarginatus (68) 



minutus (72) 



ontariensis (68) 



palustris (76) 



stagnalis (60) 



umbrosus (77) 

 Limnophysa (60), 62 



holbolli (74) 



palustris 60 



senegalensis 75 



vahlii (74) 

 Limnus (61) 

 Liria (ill) 

 Liriola 111 



thersites III 

 Lucena (22), 55 



oblonga 55 



pulchella 55 

 Lucina lenticula 140 

 Lymnaea 59, 60, 61, 62, 63, 66, 68, 72, 

 ICO, IO2 



acuta 80 



adelinae 78 



ampla 71, 72 



anticostiana 79 



appressa (65) 



arenaria 63 



atkaensis 66 



auricularia 60, 6l, 62, 64 



binneyi 69, 70 



Lymnsea bulimoides 78, jg 

 canadensis 68 

 caperata 79 



catascopium 77, 78, 79 

 columella 70 

 desidiosa 7J, 75, 80 

 emarginata 68, 69 

 expansa 77 

 ferruginea 73 

 fossaria 80 

 galbana 7J 

 glaber 60, 62 

 glabra 60 

 gracilis 64 

 hay den i 77 

 holbolli 74 

 humilis 7J 

 involuta 64 

 jugularis (65) 

 kingi 64 

 kirtlandiana 72 

 lagorii 61, 63 

 lanceata 72 

 lepida 6f 

 malleata 75 

 megasoma 63, 67, 70 

 mighelsi 68, 72 

 nitida 75 

 nuttalliana 77 

 obrussa 73 

 opacina 80 



palustris 62, 64, 68, 75, 76, 78 

 pereger 60 

 perpolita 78 

 petersi 66 

 petitii 80 

 pingelii (75) 

 preblei 70 

 proxima 74, 77 

 randolphi 66, 77 

 reflexa 60, 62, 72, 77 

 rowelli 76 

 solida 78 

 solidula 75 



stagnalis 61, 63, 6j, 66 

 sumassi 66, 69, 71, 72, (77), 78 

 techella 78, 79 

 tenuicostata 64 

 traskii 74 



