INDEX 



241 



Lafcea gracillima 177, /pj* 



pocillum (193) 

 Lampsilis 125 



alatus 126, 127 



borealis 126 



ellipsiformis 126 



gracilis i2f 



ligamentinus 126 



luteolus 125 



radiatus 126 



rectus 126 



superiorensis 125 



ventricosus 125 

 Lantzia. See Erinna. 

 Lanx 109 

 Lasmigona 131 

 Leachia (60) 



stagnalis 60 

 Legrandia (108) 

 Le Lin in 



Leptolimnaea glaber 64 

 Leptolimnea (60), 62, 64 



elongata 60 



glaber 60 

 Leptolimneus (6l) 



glaber 6l 

 Limacidae 45 

 Limacina (35) 

 Limax agrestis (45) 



berendti 46 



columbianus (47) 



hemphilli 46 



hewstoni (46) 



hyperborea (45) 

 Limnaea (60), (61), 62, (105) 



ampla (68), (69) 



angulata (68) 



arctica (75) 



binneyi (69) 



bulimoides (79) 



canadensis (69) 



decisa (125) 



decollata (68) 



elodes (76) 



elongata (75) 



emarginata (69) 



exilis (72), 77 



ferruginea (72) 



glabra 61 



imnaea gronlandica (75) 



haydeni (76) 



holbolli (74) 



kingi 61 



kirtlandiana (72) 



lanceata (72) 



leucostoma (75) 



megalosoma (67) 



megastoma (67) 



mighelsi (68) 



minor (75) 



molleri (75) 



nuttalliana (76) 



philadelphica (74) 



plebeia (76) 



proxima (76) 



scalaris (69) 



senegalensis (75) 



stagnalis (65) 



traski (74) 



umbilicata (79) 



vahlii (74) 



velutina 61, 65 

 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 



