INDEX 



705 



Podicipes, 402, 409 



Poebrotheriutn, 621 



Poephagus, 617 



Poison-glands, in. Teloo.stri, 221 . Ophi- 



dia, 345, 356 

 Poli, 654 

 Pollex, 80, 81* 

 Polynesian region, 612 

 Polyodon, 212, 218, 221, 236 

 Polyphyletic group, 431* 

 Polyp rotodont, 546* 

 Polyprotodontia, 464*, 579, 5s:? 

 Polypterus bichlr, 190, 212, 218, 219. 



222, 223, 224, 225, 227. 229.235. 236. 



609 



Pons Varolii, 458*, 559, 560 

 Porcupines, 470, 476, 492, 532 

 Porpoises, 466 See Phoccena 

 Port Jackson Shark, 176, 177, 182 

 Portal veins, 152*, 153 

 Post-anal gut, 69, 82* 

 Post-axial, 287*, 305 

 Postcaval vein, 272 

 Post-clavicle, 203* 

 Posterior commissure. 206 

 Posterior temporal fossa, 309* 

 Post-orbital, 308 

 Post-patagium, 368* 

 Post -temporal, 203* 

 Potamogale, 609 

 Pouters, 367 



Powder-do wn-patches, 409*, 410 

 Prsecoces, 429* 

 Pre-anal plate, 305 

 Pre-axial, 287*, 305 

 Precaval vein, 90 

 Precocious young, 397* 

 Pre-commissural area, 561* 

 Pre-formation, 650 

 Pre-f rental, 307, 308 

 Pre-hallux, 266, 294 

 Premaxilla, 77, 79* See Skull 

 Premolars, 445 See Teeth 

 Pre-nasal, 523* 

 Pre-nasal region, 74* 

 Pre-olfactory nerves, 155 

 Pre-opercular, 193 

 Pre-oral pit, Amphioxus, 58*, 59 

 Pre-patagium, 368* 

 Pre -pubic process, 170, 171 

 Prepuce, 460* 



Pre-sphenoid, 77, 78* See Skull 

 Presternum, 436 

 Primates, 471*, 478, 535-541, 567, 580, 



590 



Primitive groove, 280*, 424 

 Primitive knot, 352, 353* 

 Primitive streak, of Avos, 354, 424 

 /'/ ixtiophorus, 165 

 Pristis, 165 



, 182, 183 



Pro-amnion, 424. 425* 

 Pro-atlas, 333*. 335 

 Proboscidea, 469*, 520, 521, 525, 528, 

 . 587 

 Proboscis, of Balanoglossus, 3, 4 : 



Cephalodiscus, 11 : RJiabdo pleura, 



13 



Proboscis-cavity, 3, 4, 9, 12 

 Proboscis-pore, 3, 4, 11, 12 

 Proboscis -skeleton, 4, 6* 

 Procellaria, 412 

 Processus gracilis, 441* 

 Procoelous vertebra, 258* 

 Pro-coracoid, 80, 81*, 310, 311 

 Proctodseum See Digestive system 

 . Pronation, 442 



Pronephric duct, 113*, 114, 115 

 Pronephros, 113*, 114, 115 

 Prongbuck, 580 

 Pro-otic, 77* See Skull 

 Propterygium, 147*, 169, 170 

 Prosencephalon, 97*, 153 See Brain 

 Prosimii, 472*, 494, 535, 539, 540, 581 

 Prosocoele, 97* See Brain 

 Prostate, 459, 460 

 Protective resemblance, 637 

 Proteus, 284, 287, 291, 298, 616 

 Proteus atiguineus, 291 

 Protochordal plate, 353, 354* 

 Protocone, 544* 

 Protoconid, 545* 

 Protoplasm, 658 



Protopterus, 239, 250, 251, 252, 609 

 Protoselachii, 164* 

 Prototheria, 463, 464*, 477, 478, 479, 



500, 501-506, 556/578, 583 

 Protovertebra, 56, 59, 117, 118*, 179 

 Protriton, 293 



Pro vent riculus, of Pigeon, 384* 

 Psalterium, of brain, 456*, 457 : of 



stomach, 553*, 555 

 Psammosteidce, 255* 

 Psephurus, 212, 236 

 Pseudis paradoxa, 301 

 Pseudobranchia, of Dogfish, 150 : 



Elasmobranchii, 173 : Trout, 204 : 



Teleostomi, 227 : Ceratodus, 244 

 Pseudocoele, 455* 

 Pseudophycis backus, 230 

 Psittaci, 404*, 429. 431 

 Psittacus, 404, 408, 409, 415, 421, 429 

 Ptarmigans, 411 

 Pteraspidce, 254* 

 Pteraspis rostraia, 254 

 Pterichthys, 256 



Pterobranchia, 3*, 9, 10, 11, 12, 13 

 Pterocles, 404 

 Pterocletes, 404* 

 Pterodactyles See Pterosauria 

 Pterodactylus, 364 

 Pteropidce, 471 See Flying Foxes 



