437 



oblonga, Tapada 293 

 oblongus, Ancylus 93 

 obscura, Ena 149, 150 

 Helix 149, 150 

 ,, Lymnaea 149 

 Volvulus 149 

 obscurata, Helix 174 

 obscurus, Buliminus 160, 151 

 „ Bulimulus 150 



Bulimus 49, 59, 149, 150 

 Bulinus 149 

 „ Merdigera 150 

 ,, Nappcus 150 



obsoleta, Helix 212 

 obtusa, Clausilia 273 

 „ Nerita 27 

 „ Pupa 126 

 Valvata 28 

 obtusalastrum, Pisidiuin 326 

 obtusale, Musculium 326 



Pisidiuin 325, 326, 327 

 ,, Pisidium fontinale, var. 

 326 

 Pisum 326 

 obtusalis, Cyclas 320, 326 



„ Cyclas fontinalis, var. B. 



326 

 „ Pisidium pusillum, var. 

 315, 326 

 obtusulum, Buccinum 281 

 obtusum, Cyclostoma 27, 28 

 obtusus, Ancylus 95 

 obvoluta, Gonostoma 246, 247 

 „ Helicodonta 246 



Helix 245, 246, 247 

 Iberus 247 

 Polygyra 247 

 „ Vortex 246 

 obvolutum, Anchistoma 247 



„ Trigonostoma 246, 247 



obvolutus, Planorbis 246 

 occupatum, Pisidium 327 

 oceanica, Testacella 284 

 ochracea, Succinea 291 

 ocsensis. Pupa 125 

 octanfracta. Helix 61 



„ Lymnaia 61 



,, Lymnea 61 



,, Stagnicola 61, 62 



[octo]-dentata. Vertigo 117 

 octona, Achatina 357 

 ,, Columna 357 

 „ Helix 61, 281, 357 

 „ Limnea 62 

 „ Lymnaea 357 

 „ Paludina 19 

 ,, Rumina 357 

 „ Sira 357 



Stenogyra 357, 358 

 ,, Subulina 357 

 octonus, Bulimus 356, 357 



odeca, Fruticicola 236 



„ Helix 237 

 Odontalus 351 

 Odostomia 105, 112, 269 

 offtonensis. Turbo 129 

 olivaceus, Arion 160 

 olivetorum, Helix 173 

 olivieri. Helix 229 

 olivula, Succinea 289 

 . ,, Succinea putris, var. 292 

 Omalodiscus 67, 68 

 ombilicata, Pupa 109 

 Omphiscola 43 

 opaca, Limnsea 52 

 Opeas 358 

 Opiliolimax 190 

 Orbis 66 

 Orbitina 360 

 orientalis, Cyrena 298 

 osculans, Physa 99 

 ovale, Sphserium 307 

 oralis, Cyclas 307 



„ Margarita 339 



„ Mya 336, 339 



„ Unio 336, 337, 339, 340 

 ovata, Limnsea 50, 51, 53 



,, Lymnaja 50 



„ Mya 337, 338, 339 

 Mysca 337, 339 



„ Unio 337 

 Ovatella 37 



ovatum, Carychium 35 

 Pisidium 314 

 ovatus, Limnseus 50 

 ,, Limneus 49 



,, Limnoeus, 53 



,, Lymnseus, 52 

 Unio 339 

 Oxychilus 170, 173 



Pagana 186 

 Paladilhi, Planorbis 76 

 Paladilhia 34 



PaladiLhianus, Geomalacus 164 

 Palavasensis, Helix 213 

 palida, Helix, 229 

 Palizzolia 204 

 pallida, Cyclas 307 

 „ HeUx, 230, 231 

 ,, Pisidium fontinale, var. 3, 



313 

 ,, Pisidium fontinale, var. 

 321 

 pallidum, Pisidium 312, 313 



,, Pisidium henslowanum y, 



321 

 ,, Spha?rium 307 

 pallidus, Limax 201 

 Paludestrina 18 

 Paludina 9 

 Paludinella 129 



