Pag. 



nigenima, Nerita 172 



iiigrata, Melania 140 



iiigrescens, Cerithiuin 208 



Pleurotoma 219 



Digriculum, Ctenopoma 17 



Cyelcstoma 17 



nigrita, Melania 141 



nigropicta. Helix ...73,74 



Jiigropictus, Macroceramus 86 



nimbosa, Fissurella 280 



nitons, Auricula 59 



Janthina 182 



Pyramifr 167 



nitensoides, Helix 67 



nitida, Argonauta 147 



ColuDibella 199 



Helici:ia 46 



Natica 171 



Odostomia 162 



Nitidella ]99 



nitidula, Bulla 158 



Columbella 199 



Oliva 192 



nitidulus, Biilimus 87 



nivea, Crepidula 227 



Cvpraea : 185 



Marginella 189 



Tellina 244 



Trivia 185 



Voluta 193 



nivosum, Cerithium 208 



r.obilis, Cylindrella 113 



Pi^na.^ .., 264 



Succinea 128 



nobilitatum, Ctenopoma 17,18 



Cyclostoma 18 



Nodae Helicina 54 



nodosa, Fissurella 228 



Ostrea 270 



nodosus, Pecteu.... 270 



nodulatum, Ctenopoma. 16 



Cyclostoma 16 



nodulosa, Littorina 159,160 



Mitra 197 



Purpura 203 



Ricinnla 203 



Voluta 197 



nodulosus, Trocluis 160 



nodulus. Triton 213 



nodus, Murex 202 



noscibilis, Helix 71 



Notarehus 156 



18 



Pag. 



notata, Cylindrella 116 



Helix 79 



Patella 230 



Solen 



notatus, Macroceramus 

 novenaria, Achatiua.... 



238 



80 



98 



. 141 I nubila, Cylindrella 112 



^-"^■^ I nucleus, Buccinum... 205 



Planaxis 205 



Nuculidae 260 



Nuculocardia 260 



nuda, Helicina 50 



Obeliscus 161 



obesa, Columbella 199 



Truncatella 26 



obesicostata, Pleurotoma 219 



obesum, Chondropoma 26,29 



obliqua, Cylindrella 105 



■ Perna 269 



Solen 239 



Solena 239 



oblonga, Mactra 239 



Marginella 186 



Persicula 186 



oblongata, Pliolas 236 



obtorta, Cylindrella 113 



obtusa, Cleodora 152 



Cuvieria 152 



ocellata, Columbella 198 



Turbinella 222 



Voluta 198 



ocellatum, Buccinum 222 



occiden talis, Chiton 231 



■ Leuconia 



Vaginulus 



occultus, Trochus 



Ocenebra 



ochracea, Helicina. 



61 

 129 

 176 

 210 



48 

 128 



ocbracina, Succinea 



octona, Achatina 98 



Helix 98 



Subulina 98 



octonoides, Bulimus 91 



Stenogyra 92 



Octopodidae 145 



Octopus 145 



octoradiata, Emarginula 229 



Patella 229 



oculata, Cypraea 184 



oculatus, Pectunculus 261 



Odostomia 161 



officinalis, Sepia 148 



