230 



INDEX TO THE GENERA. 



Murex, 165 

 Mus, 196 

 Mya, 110 

 Myacites, 110 

 Mylodon, 196 

 Myonia, T2 

 Myriolepis, 117 

 Mytilus, 72, 110 



Natica, 114, 166, 203 

 Naticodon, 81 

 Naticopsis, 81 

 Nautilus, 90, 117, 171 

 NebuUpora, 13 

 Niso, 84 



Nceggerathia, 102 

 Notomya, 72 

 Nototherium, 173, 184 

 NiicleosiDira, 20, 201 

 Nucnla, 73, 111, 155 

 Nuculaua, 74, 111, 155 

 Nummulina, 128 



Ochthoclocaryon, 122 

 Odontocaryon, 123 

 Odontopteris, 97 

 Omphalotrochus, 25 

 Omphyma, 13 

 Ouchopora, 149 

 Operculina, 128 

 Ophileta, 25 

 Orbiciiloidea, 48 

 Orbitolites, 128 

 Orbuliua, 128 

 Ortliis, IS, 20, 49 

 Orthoceras, 26, 90 

 Orthonota, 23, 74, 79 

 Oi'thotetes, 50 

 Osphi-anter, 185 

 Ostrea, 111, 156 

 Otodus, 172 

 Otopteris, 97 

 Oxyrhina, 172 



Pachydomus, 72, 74 

 Pachi/odon, 67 

 Pacliysiagon, 186 

 Palcsarca, 23, 76 

 Palseaster, 14, 15, 140 

 Palaeoniscus, 117 

 Palceopora, 12, 13 

 Palasoseris, 136 

 Palorcliestes, 186 

 Panopffia, 105, 111 

 Paracyclas, 76 

 Paracypris, 144 

 Paradoxechinus, 142 

 PateUa, 84 

 Peeopteris, 97 

 Pecten, 76, 111, 156, 202 

 Pectunculina, 155 

 Pectunculus, 156 

 Penniretepora, 44 

 Pentacoila, 123 



Pentacriniis, 105 



Pentadia, 40 



Pentamerus, 20, 51, 201 



Penteune, 123 



Peragalea, 186 



Peragalia, 186 



Perameles, 186 



Perna, 72, 110 



Perua, 112 ,. / 



Petraster, 14 



Phacops, 17 



Plialaugista, 187 



Phascolagus, 187 



Phascolomys, 173, 188, 195 



Phillipsastr£ea, 37 



Pbillipsia, 42 



Phocodon, 173 



Pholadomya, 76, 112 



Pholas, 112 



Phi'agmoceras, 90 



Phyllodes, 135 



Phyllograptus, 9 



Phyllotheca, 31, 98 



Pbymatocaryon, 123 



Pileopsis, 80, 84 



Placotroclius, 136 



Planorbulina, 103, 129 



Planulai-ia, 129 



Plasmopora, 13 



Platijcenis, 80, 85 



Platycoila, 123 



Platycriuus, 40 



Platyschisma, 85 



Platytrochus, 201 



Plectodon, 190 



Pleiacron, 124 



Plesiocappai'is, 124 



Plesiosaiu-us, 118 



Pleurodictyum, 13 



Pleuromya, 110 



Plem-opborus, 77 



Pleurorhynchuft, 68, 77 



Pleurotoma, 166 



Pleurotomaria, 85, 114, 166, 203 



Polycope, 42 



Polymorpbina, 104, 130 



Polj'pora, 45 



Polystomella, 130 



Porambonites, 21 



Porcellia, 87 



Poteriocrinus, 41 



Prionotus, 7 



Procardia, 76 



Piocoptodon, 190 



Productus, 51 



Proetus, 18 



Propora, 13 



Protaster, 14 



Protemnodon, 191 



Protocardium, 157 



Protoretepora, 45 



Psammecbinus, 142 



Psilescbara, 149 



Pteria, 64 



