261 



V. Monnardi 158 



V. nautileus 181 



V. obtusa 158 



ovata 159 



V. patula 159 



peregra 161 



V. spinulosas . . . . 181 



V. succinea 160 



Gyraulus 178 



albus 178 



crista 180 



V. cristatus 181 



glaber 179 



V. lemniscatus . . . , 178 



Rossmaessleri . . . . 179 



Gyrorbis 174 



V, compressa . . . . 174 



cristata 192 



V. Dazuri 176 



rotundatus 175 



septemgyratns . . . . 176 



spirorbis 175 



vortex 174 



Helicidae 46 



Helicogena 80 



aspersa 85 



V. compacta 82 



lutescens 83 



poinatia 81 



V. Pulskyana .... 82 



V. sabulosa 83 



V. solitaria 83 



Helix 46 



nemisinus 201 



acicularis 202 



Esperi 201 



V. major 203 



V. minor 203 



V. turgida 201 



V. tyraica 202 



Heynemannia West .... 17 



Hippeutis 181 



complanatus 182 



riparius 181 



Hyalina 27 



cellaria 28 



contracta 33 



cryatallina 32 



diaphana 34 



falva 36 



glabra 28 



V. Martini 37 



nitens 29 



nitidula 30 



opinata 36 



V. orientalis 29 



V. petronella 32 



pura 31 



radiatula 31 



subrimata 34 



V. subterranea .... 33 



transsylvanica .... 35 



V. Yiridula 31 



Hydrobiinae 197 



Hydrolimax 22 



Isthmia 102 



costulata 103 



minutissima 102 



Liraax 16 



arboram 20 



V. cinereus 18 



V. cinereoniger . ... 17 



coerulans 21 



maximu3 17 



Schwabii 21 



tenellus 19 



V. transsilyanicus ... 18 



Limnaea 150 



Limnaeidae 150 



Limnus 150 



V. angulosa 153 



V. arenaria 153 



V. colpodia 153 



V. gracilis 152 



V. lacustris 154 



V. producta 152 



stagnalis 150 



V. turgida 153 



V. yariegatus 152 



V. Yulgaris 151 



Lucena 147 



V. elongata 147 



V. Kobelti 147 



oblonga 147 



Limnophysa 163 



V. Cleasiniana . . , . 164 



