535 



pag 



Olivacea ...;.. 158 



Oliva , — 



Olivancillaria . . . . 159 



Olivella — 



Olivina — 



Olivula 476 



Olostoraus 247 



Omala 476 



Omalaxis 177 



Omalonyx 243 



Ombrella 476 



Ommaslrephes .... 99 



Omphalina 476 



Omplialia 109 



Oinphalia 476 



Omphaloploce .... — 



Omphalolropis . . . . 260 



Omphalius . . . . . 210 



Oraplierais 476 



Ompliiscola 254 



Onchidella 237 



Onchidia 476 



Onchidium — 



Onchidoris 268 



Onchis 476 



Oncidiacea 236 



Oncidium — 



Oncoceras 111 



Oniscia 154 



Onuslus 476 



Onychia 9S 



Onychoteulhis .... 97 



Onykia 476 



Onylhochiton .... 476 



Opeas 248 



Ophiocardilus , , . . 253 



Ophileta 113 



Ophiodermis 476 



Ophis , , — 



Opiptera 232 



Opis 476 



Orbicella ..... 400 



Orbicula Cuv 399 



Orbicula Desh — 



Orbiculus 476 



Orbiculoidea — 



pag. 



Orbis 174 



Orbitina 476 



Orbulites . . • . 118.476 



Orcula 476 



Oris ..... . . 237 



Ornioceras 476 



Orphnus 247 



Orthalicus . . . « . — 



Orthambonites .... 397 



Orlhis 398 



Orlliisina — 



Orthocera ...... 474 



Orlhoceras 111 



Orthoceratites .... — 



Orthoceratiles Picol Lap. . 403 



Orlhoconchae .... 33 



Orthocerea ..... 31 



Orlhonota 353 



Orthonymus 500 



Orthonychia 477 



Orthoslelis 193 



Orthostoma ..... 477 



Orthostylis — 



Orthotetes — 



Orthothrix — 



Ortygia ...... — 



Oscana — 



Oscanius — 



Osilinus 210 



Osteodesma 321 



Ostracea .... 29.31.378 



Oslraea 378.21 



Ostreum 477 



Olala 245 



Otaria 477 



Otina — 



Otion 433.477 



Olis 477 



Olopoma 260 



Otostomus 477 



Ovatella — 



Ovula 162 



Ovulus 477 



Ovulum — 



Oxinoe Couth. . . 182. 477 



Oxinoe Raf. ..... 181 



