i68 



INDEX 



Pupilla badia (28), (29) 



blandi 28 



muscorum 28, (29) 

 Pyramidula 49 



alternata 4.9 



asteriscus 57 



cronkhitei 30, 51 



limitaris 49 



randolphi (53) 



ruderata 50, 51 



solitaria 49 



striatella jo 



Quadrula 133 

 heros 133 

 hippopaea 133 

 lachrymosa 133 

 plicata 133 

 rubiginosa 134. 

 undulata 133 



Radix (60), 62, 63, 64, 65, 67, 68, 71, 72 



binneyi 69 



columella 70 



mighelsi 68 



randolphi 71 

 Rivicola (99) 



Sandria 65 

 Saraphia (115) 



tridentata 115 

 Segmentaria (97) 

 Segmentina 97, 98 



armigera 98 



christyi 99 

 Selenites 33 



vancouverensis (34) 

 Semilimax (35), (36) 

 Siphonaria in 



sipho III 



thersites /// 

 Siphonariidae in 

 Sphseriidse 134, 145 

 Sphaerium 134 



aureum 135 



cooperianum (139) 



corneum 135 



dentatum 136, 137 



emarginatum 138 



Sphaerium fabale 137 



fabalis (136) 



flavum 138 



jajanum 139 



lenticula 140 



medium 14.0 



nobile 137 



occidentale 136, 137 



partumeium i3g 



patella 138 



primeanum 14.1 



raymondi 138 



rhomboideum 136, 141 



simile 134 



solidulum 136 



spokani 138 



stagnicola 140 



stamineum 136 



striatinum 135 



sulcatum (134) 



tenue /jp, 140 



transversum 139 



truncatum 140 



tumidum 138 



walkeri 135 

 Sphyradium 54 



edentulum 54 

 Spiralina (81) 

 Spirodiscus corneus (81) 

 Spirorbis (82) 

 Stagnicola (60), 62, 64, 68, 71, 72, 74 



adelinae 78 



anticostiana 79 



bulimoides 79 



caperata 79 



catascopium 77 



communis (76) 



emarginata 68 



palustris 76 



perpolita 78 



reflexa 77 



Stenotrema germanum (25) 

 Strepomatidae 116 

 Striatura milium (43) 

 Strobila labjrinthica 27 

 Strophitus 127 



edentulus (127) 



rugosus 127 

 Succinea (55)>55 7L 105 



