i68 



INDEX 



Pupilla badia (28), (29) 



blandi 28 



muscorum 28, (29) 

 Pyramidula 49 



alternata 49 



asteriscus ji 



cronkhitei 50, 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 gg 

 Selenites 33 



vancouverensis (34) 

 Semilimax (35), (36) 

 Siphonaria /// 



sipho in 



thersites 

 Siphonariidae 

 Sphaeriidae 134, 145 

 Sphaerium 134 



aureum 135 



cooperianum (139) 



corneum 135 



dentatum 136, 137 



emarginatum 138 



Sphaerium fabale 137 



fabalis (136) 



flavum 138 



jayanum 139 



lenticula 140 



medium 140 



nobile 137 



occidentale 136, 



partumeium 139 



patella 138 



primeanum 141 



rajmondi 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 

 Sphy radium 54 



edentulum 54 

 Spiralina (Si) 

 Spirodiscus corneus (8l) 

 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 labyrinthica 27 

 Strophitus 127 



edentulus (127) 



rugosus 7.27 

 Succinea (55)>55> 7 1 . IO 5 



