INDEX 



24! 



Lafcea gracillima 177, 



pocillum (193) 

 Lampsilis 125 



alatus 126, 127 



borealis 126 



ellipsiformis 126 



gracilis 127 



ligamentinus 126 



luteolus 125 



radiatus 126 



rectus 126 



superiorensis 125 



ventricosus 125 

 Lantzia. See Erinna. 

 Lanx 109 

 Lasmigona 131 

 Leach ia (60) 



stagnalis 60 

 Legrandia (108) 

 Le Liri in 



Leptolimnaea glaber 64 

 Leptolimnea (60), 62, 64 



elongata 60 



glaber 60 

 Leptolimneus (61) 



glaber 61 

 Limacidae 45 

 Limacina (35) 

 Limax agrestis (45) 



berendti 46 



columbianus (47) 



hemphilli 46 



hewstoni (46) 



hyperborea (45) 

 Limnsea (60), (6l), 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 grdnlandica (75) 



haydeni (76) 



holbolli (74) 



kingi 6l 



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 

 Limnaius 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 



