436 



neglecta, Helicella 217 

 Helicopsis 217 

 Helix 214, 216 

 Jacosta 217 

 Theba 216 

 Xerophila 216, 217 

 Nematorella 26 

 Nematurella 26 

 nemoralis, Acavus 259, 260 

 Cepaea 269 

 Cochlea 258 

 Helicogena 259, 261 

 Helix 254, 258, 259, 260, 



261, 262 

 Tachea 269 

 nemorosa, Pomatia 260 

 Neopisidium 308 

 Neritarius 1 

 Neritella 1 

 Neritina 1 



Neritostoma 43, 287 

 neustriacus, Arion 163, 164 

 niceneis, Limax 201 

 niger, Limax 194 

 nigricans, Clausilia 271, 272, 273 

 „ var. 3, Clausilia 274 



,, Odostomia 271 



Turbo 270, 271 

 nigricolus, Milax 205 

 Nilssoni, Arion 164 

 Nilssoniana, Helix 216 

 niso, Jaminia 351 

 nitens, Achatina 142 

 Bulimiis 142 

 Helicella 179 

 „ Helix 170, 173, 175, 177, 178, 



179 

 „ var. a. Helix 178 

 Hyalina 179, 180 

 Polita 179 

 Zonites 179 

 nitida, Alsea 129 

 Balea 266 

 ,, Cyclas 315 



Helicella 170, 171 



Helix 88, 90, 169, 170, 171, 



173, 176 

 var. a. Helix 172 

 Hyalina 171 

 „ Hyalinia 171 

 „ Limnaea 52 



Pisidium amnicum, var. B. 



312 

 Planorbis 89, 91 

 „ Segmentina 90, 91 

 Vertigo 129 

 Vitrea 171 

 „ Zonites 171 

 nitidosa. Helix 180, 182 

 „ Hyalina 181 

 Polita 180 



nitidula, Helicella 178, 179 



Helix 167, 175, 178, 179, 



180, 181 

 Hyalina 179 

 Hyalinia 179, 180 

 Polita 179 

 Vitrea 180 

 nitidulus, Oxychilus 178 



Zonites 179 

 nitidum, Musculium 316 



Pisidium 315, 326 

 ,, Pisidium amnicum var. e, 

 312 

 Pisum 315 

 [nitidus], Hemithalamus 90, 91 

 nitidus, Planorbis 82, 85, 88, 89, 90, 

 91 

 „ Zonites 171 



Zonitoides 170, 171 

 nordenskioldi, Pisidium 314 

 Nordenskioldi, Planorbis 74 

 normale, Pisidium henslowanum, 



var. ^, 323 

 Normandi, Anodonta 336 

 normandianum, Pisidium cazerta- 

 num, e, 319 

 „ Pisidium milium, 



var. 318 

 Pisidium 319 

 norvegicus, Limax 201 

 Nothus 358 

 Nouleti, Azeca 146 

 Nouletiana, Azeca 145 



,, Limnsea 62 



nova, Pisidium amnicum, var. 310 

 novenaria, Achatina 357 

 nubigenus, Limax 193 

 nucleata. Helix 133 

 nucleatum, Pisidium 314 

 nucleus, Cyclas 303 



,, Pisidium henslowianum var. 

 322 

 Turbo 15 

 numulus, Planorbis 82 

 Nuttalliana, Lymnea 57 

 nux, Cardium 300, 302 



obeliscus 300 

 obliqua, Cyclas 309 



,, Limacella 200 

 obliquatum, Pisidium 313 

 obliquum, Pisidium 309 

 obliquus, Limacellus 200 

 oblonga, Amphibina 293 

 ,, Amphibulima 293 

 ,, Amphibulina 293 

 „ Anodonta, 330 

 „ Lymnea 60 

 Patella 92, 93 

 Succinea 290, 292, 293, 

 294 



