INDEX 



163 



Limnaeus decollatus (68) 

 elodes (76) 

 elongatus (77) 

 Limnea (60) 



adelinae (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 (in) 

 Liriola in 



thersites m 

 Lucena (22), jj 

 oblonga 55 

 pulchella 55 

 Lucina lenticula 140 

 Lymnsa 59, 6o, 61, 62, 63, 66, 68, 72, 

 100, 102 

 acuta 80 

 adelinae 78 

 ampla 71, 72 

 anticostiana 79 

 appressa (65) 

 arenaria 63 

 atkaensis 66 

 auricularia 60, 61, 62, 64 

 binneyi 69, 70 



Lymnaea bulimoides 78, 79 



canadensis 68 



caperata 79 



catascopium 77, 78, 79 



columella 70 



desidiosa 7J, 75, 80 



emarginata 68, 69 



expansa 77 



ferruginea 73 



fossaria 80 



galbana 73 



glaber 60, 62 



glabra 60 



gracilis 64 



haydeni 77 



holbolli 14. 



humilis 73 



involuta 64 



jugularis (65) 



kingi 64 



kirtlandiana 72 



lagorii 6i, 63 



lanceata 72 



lepida 67 



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, 71 



reflexa 60, 62, 72, 77 



rowelli 76 



solida 78 



solidula 75 



stagnalis 61, 63, 65, 66 



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



techella 78, 79 



tenuicostata 64 



traskii 74 



