i6o 



Cyclas bulbosa 136 



calyculata 140 



dentata (137) 



dubia (141) 



elegans (136) 



emarginata (138) 



fabalis (137) 



flava (138) 



fuscata 136 



jayensis (139) 



lenticula 140 



media (140) 



nobilis (137) 



ovalis (137) 



partumeia (139) 



patella (13S) 



pulchella (144) 



rhomboida (136) 



saratogea (135) 



similis {134) 



solidula ( 136) 



stagnicola (140) 



staminea (136) 



steenbuchii (143) 



striatina (135) 



sulcata (134) 



tenuis 139 



transversa {139) 



truncata (140) 

 Cyclocaljx 143 

 Cyclolimnsa 64 

 Cyclostoma lapidaria (119) 



tricarinata (121) 

 Cymatocjclas compressa 142 



Dentati 97 

 Dentatus (97) 

 Diastropha (99) 

 contorta 100 

 Diplodiscus (82), 85, 86 

 Discoidina (83) 

 Discus (97) 

 Drepanotrema S2., 86 



Endodontids 49 

 Enjdra (99) 

 Epiphragmophora 21 



fidelis 21 

 Erinna (61), 62, 65 



Erinna newcombi 61, 65 

 Euconulus jp, 40, 45 



fabricii 41, 42 



fulva 42 



fulvus 39, {40), (41) 



trochiformis 40, 41, 42 

 Euhadra fiscina II 

 Eulimneus (61) 

 Eulota fiscina 11 



flexibilis 11 



we^richi II 



Ferrissia 109 



parallelus no 



rivularis no 

 Ferussacia subcjlindrica (33) 

 Fluminicola iig 



nuttalliana iig 



virens iig 

 Fossaria (61) 



Galba (60), 62, 64 



desidiosa 73 



galbana 73 



holbolli 74 



humilis 73 



truncatula 72 



vahlii 74 

 Gallandia (36) 

 Gastrodonta ^j 



gularis 43 

 Giraulus (83) 

 Glaphyra (22) 

 Gljptophysa loi 

 Gonidea /jo 



angulata 130 

 Goniobasis //6, 117 



plicifera 116, 117 



silicula Ij6, 117 

 Gonyodiscus 50 



striatella (50) 

 Gulnaria (60) 

 Gundlachia loS, 109 



ancyliformis 108 

 Gyraulus S^, 86 



deflectus 94 



liirsutus 93 

 Gyrorbis (82), 85, (120) 

 Gjrulus (83) 



