INDEX. 



243 



Palaeogasa, 45 



Palaeoperdix, 29 



Palaeophonus, 50 



Palaaornis, 105 



Palseortyx, 29 



Palamedea, 109 



Palamedeidse, 76 



Paludina, 144 



Panthalops, 92 



Panurus, 91 



Papuan or Austro-Malayan region, 



116 



Paradisea, 117 

 Paretroplopus, 178 

 Parrots of the Australian region, 



115; Origin of, 221 

 Parus ater, 184; britannicus, 184; 



palustris, 16; rosea, 184 

 Passerines, 72-74 

 Patula hookeri, 194 

 Peacock, 29 

 Pectinator, 101 

 Pedetes, 102 

 Pedioccetes, 97 

 Pelamys, 149 

 Pelomedusa, 39 

 Penguins, 166 

 Pennula ecaudata, 204 

 Perichaeta, 59, 61, 62, 169, 181; 



indici, 180 ; rnadagascariensis, 



180 ; mauritiana, 181 ; robusta, 



181 



Perichaetidae, 61, 62 

 Perionyx, 61; zanzibaricus, 62 

 Periophthalmus, 3 

 Peripatus, 16, 26; Range of, 17 

 Peristeropodes, 27, 75 

 Perodicticus, 101 

 Perosuchus, 43, 44 

 Phcenicophaes, 35, 37 



Phasianidae, 27 



Phasianus, 89, 93 



Pheasant, 29 



Philodryas, 189 



Phororhacus, 167 



Photodilus, 105 



Phyllodactylus, 196, 197 



Phytogeography, 4 



Phytosus atriceps, 194 



Piaya, 36 



Pigeons of the Australian region, 



115 



Pipa, 48 

 Pipidae, 47, 48 

 Pisidium pusillum, 141 

 Pithecia, 111 

 Pitta, 102 

 Pixys, 39 



Plagiochaeta, 60, 65, 66, 169 

 Planarians, Land, 53, 56 

 Planorbis, 191, 192; corneus, 141; 



nautilus, 141 



Platacanthomys, 105, 106 

 Platypus, 117 

 Platysternidae, 38 

 Pleurodira, 38 



Plumatella, Statoblasts of, 136 

 Plutellus, 69 

 Podocnemis, 39, 40 

 Poecilophycis, 194 

 Polar origin of life, Theory of, 



227 



Polycladus, 56 

 Polynesian sub-region, 117 

 Polyommatus dispar, 185 

 Polytoreutus, 68 

 Pontodrilus, 57, 70 

 Pontoscolex, 58, 64, 70; corethru- 



rus, 192 

 Poospiza, 97 



