149 



sericea, Helix jj.SS 



serj)uloides, Helix .... 132 

 serpjiloides, Turbo. ... 132 

 sexdentata, Vertigo . . 103 

 sexdentatus. Turbo .... 104 

 Sheppardij'P\vLnovh\s 108 



^wmY^, Cyclostoraa 135 



similis, Paludina 135 



solida, Mysca 22 



spinulosa, Helix 43 



spiyiidosa, Teba 43 



Spirorbis, Helix 115 



Spirorbis, Planorbisll0,115 



Spirorbis, Valvata 131 



stagnalis, Helix ...121, 135 



stagnalis, Limneus 121 



stagnalisy Mytilus 18 



Stagjiorum, Helix 135 



Stagnorum, Paludina . 135 



striata, Relix 41, 42 



striatuSf Turbo 93 



strigata, Helix ......... 39 



subci/lindrica, Helix.... 82 



SUCCINEA 91 



siiccinea, Helix 91 



sulcatum, Cyclostoma.. 94 



tentaculata. Helix 134 



Terebra, Helix 105 



terrestre, Buccinum...j5. 89 



terrestrisy Trochilus ... 43 



^en-e^^m, Trochus 43 



Testacellus 27 



thcnnalisy Turbo 130 



iridenSf Turbo 68 



trockiformis. Helix 61 



Trochulus, Helix 61 



tuberculatus, Bulimus. 81 



turrita, Limnea 129 



U. 



innbilicata, Helix 60 



umbilicata, Pupa\ 97 



UnguiculuSjLimacellus 26 



unifasciatay Cochlea ... 35 



Unio 19 



V. 



Valvata 130 



variabilis, Helix 41 



ventricosa, Clausilia ... 72 



ventricosus, Bulimus .. 80 



Vertigo 101 



virgata, Helix 40 



virgata,Teba 41 



viride, Cyclostoma ... 135 



viridis, Paludina 135 



VlTRINA 30 



vivij)ara, Helix 1 33 



