Pag. 



Siliquaria 238 



similaris, Helix 130 



similis, Murex 211 



Telliiia 245 



simplex, Anomia 273 



(Jhemnitzia 163 



Macroceramus 84 



Pupa 87 



Tellina 245 



Simpulum 212 



simulans, Helix 65 



sinuata, Fleurotoma 220 



einuosum, (yhondropoma 33 



Cyclostoma 33 



Sinwsigera 204 



Siphonaria 230 



Siphonaridae 230 



Sloanei, Helicina 42 



Tfochatella 42 



- Vagiiuilus 129 



Sloaniana, Rissoina 169 



sobrina, Helix 70 



solare, Chondropoma 34 



Solarium 178 



Solena 239 



Holenatum, Cyclostoma 38 



Solenidae 238 



solida, Achatina 93 



solidula, Oleacina 96 



solidulum, Chondropoma 24 



Cyclostoma 24 



Roliduhis, Polyphemus 96 



Boluta, Cylmdrella 112 



sordida, Cypraea 185 



sordidum, Choanopoma 11 



Cyclostoma 11 



Sowerbyana, Cylindrella 108 



Fhysa 136 



Sowerbyi, Foraminella 228 



spectabilis, Helicina 52 



Spengleria 



Sphaerium 143 



Sphena , 253 



spinifera, Creseis 152 



■ Melania 140 



spinosa, Arcinella 272 



Fissurella 228 



spinosum, Cardium 259 



spinulosus, Trocbus 181 



spirata. Pyrula 216 



spiratus, Vermetus, 165 



Spiraxis 92 



Spinalis 153 



Spirula 149 



spirula, Nautilus. : 149 



Spirulidae 149 



Spisula 240 



splendens, Cylindrella 130 



spondyloidea, Plicatula 271 



Spondylus ' 271 



spreta, Ostrea 273 



spurca, Cypraea 184 



spurius, Conus 194 



squamosa, Area 264 



Lima 267 



squAmosus, Chiton.... , 231,232 



squamulosa, Avicula 268 



stagnicola, Planorbis 137 



Stearnsi, Cylindrella ;. 114 



stellata, Helicina 45 



Trochatella 45 



Stenogyra 89 



stenostoma. Auricula 58 



stercus-muscarum, Cerithium.... 208 



stigmatica, Helix 69 



Stigmaulax 171 



otomatia 225 



Storchi, (Jboanopoma 11 



straminea, Achatina 95 



Helicina 55 



Helix 75 



strangulata, Cylindrella 110 



Streptostyla 97 



striata. Bulla 157 



Columbella 200 



Creseis 152 



Lithiopa 204 



striata, Marginella 189 



Martesia 236 



Narica 172 



Pholas 236 



Physa 136 



Pupa 100 



Rotella 177 



Tellina , 243 



striatella, Cylindrella Ill 



Helix 102 



Pupa 108 



striaticostatus, Bulimus 82 



striatissimum, Cerithium 208 



striatocostata, Rissoa 168 



striatula, Mitra 197 



Rissoa 168 



striatulus, Acroloxus 138 



25 



