Index. 



553 



Ptyllosoma, 225 



Phylloxera vaatatrix, 257 



Phylum, 55 



Physalia, 108 



thysetes maorocephalus, 



524 

 Physiology, 58 

 Physophora, 108 

 Physostoml, 387 

 Phytoptus, 285 

 Pia mater, 331 

 Pica oaudata, 463 

 Pioidae, 465 

 Picus martins, 465 



„ viridis, 466 

 Piddook, 315 

 Pieris brassieas, 275 

 Pig, 505 

 Pigeons, 465 

 Pigment, 31 



„ granules, 10, 85 

 Pigmy male, 201, 205 

 Pita, 529 

 Pike, 387 

 Pilot Whale, 524 

 5Pineal eye, 337 



„ gland, 331 

 Pine Grosbeak, 463 

 (' „ Lappet, 275 



„ Marten, 516 

 t'inicola enucleator, 463 

 Pinna, 481 

 Pinnipedia, 517 

 Pinnules, 128 

 Piophila oasei, 277 

 Pipa, 398, 402 



„ amerioana, 407 

 PipistreUe, 501 

 Pipit, 462 

 Pisces, 356 

 Piscicola, 177 

 Pisiform, 414 

 Pitheous satyrus, 534 

 Pituitary body, 331 

 Placenta, 354 



„ fcetalis, 354 

 „ titerina, 354 

 Placophora, 290 

 Plaice, 389 

 Planaria, 145 

 Planorbis, 300 

 Platalea leucorodia, 459 

 Platanista gaugetioa, 525 

 Platyhelminthia, 83, 142 

 Platyrrhin^, 533 

 Pleetognathi, 391 

 Plesiosaurians, 428 

 Pleura, 198 

 Pleural gangHa, 289 

 Pleurouectes flesus, 389 



„ Umanda, 389 



„ platessa, 389 



Pleuroneotidse, 389 

 Plictolophinae, 465 

 Plovers, 459 



Golden, 459 

 Plumse, 433 

 Pneumatic duct, 375 



Pneumatooyst, 107 

 Podiceps, 457 



auritus, 457 

 „ grisegena, 457 

 „ minor, 457 

 Podura, 256 

 Poison-claws, 229 



„ glands, 392, 424 



„ teeth, 423 

 Polar Bear, 516 



„ Pox, 515 



„ Hare, 529 



„ Whale, 523 

 Polecat, 516 

 Polian Tesicle, 124 

 PoUex, 478 

 Pollicipes, 206 

 Polyaotinia, 115 

 Polyohaeta, 172 

 Polymorphism, 54 

 Polynoe, 173 

 Polynoidse, 173 

 Polyp, 98 



Polypoid generation, 102 

 Polyprotodontia, 497 

 Polypterus, 374, 385 

 Polystomeae, 146 

 Polystomum intergerri- 



mum, 146 

 Polyzoa, 83, 178 

 PompiHdEe, 270 

 Pond-snail, 306 

 Pontobdella muricata, 177 

 Pope, 389 

 Porcupines, 530 

 Porcus babyrusa, 506 

 Pores, 119 

 Pore plates, 134 

 Porifera, 118 

 Porpita, 108 

 Porpoise, 524 

 Portal Toin, 346 

 Porus genitalis, 378 

 Post coracoid, 413 



„ frontal, 362 

 Pouched Marmot, 529 

 Powder-down, 434 

 Prsecoces, 450 

 Prawns, 222 

 Prawn-stage, 222 

 Praying Mantis, 253 

 Preanal pores, 408 

 Precious Coral, 115 

 Preooraeoid, 413 

 Prefrontal, 362 

 Prehensile organs, 63 

 Premaxilla, 410 

 Premolars, 483 

 Primates, 532 

 Printer, 267 

 Pristis, 384 

 Proboscidea, 510 

 Proboscis, 153, 201, 234, 256 

 Proboscis-sheath, 153 

 Procellaria pelagica, 456 

 Processus faloiformis, 370 

 „ uncinatus, 410, 

 437 



Processus, vermiformis,488 



„ xiphoides, 473 

 Prootodaeum, 23 

 Prooyon, 516 

 Procyonidse, 516 

 Proeohidna, 496 

 Proglottides, 149 

 Prolegs, 250 

 Pronephros, 350 

 Prongbuok, 509 

 Prong-homed Antelope, 



509 

 Prootic, 362 

 Proscolex, 150 

 Prosencephalon, 330 

 ProsimiEe, 531 

 Prosobranchiata, 301, 302 

 Prostate glands, 493 

 Prostomium, 169 

 Protective adaptations, 70 

 Proteles, 517 

 Proteroglypha, 424 

 Proteus, 399, 403 



„ anguineus, 4f)4 

 Prothorax, 235 

 Protoplasm, 3, 85 

 Protopterus annectens, 387 

 Protozoa, 3, 83, 85 

 Provisional larval organs, 



51 

 Proximal, 42 

 Psalterium, 507 

 Pseudis paradoxa, 403 

 Pseudo-oaterpillars, 250 

 „ -navicellse, 96 . 

 -pupa, 251 

 Pseudopodia, 3, 25, 85, 87, 



90 

 Pseudo-scorpions, 282 

 Psittacidge, 466 

 Psittacinse, 465 

 Psocus, 255 

 Psolus, 141 



Psorospora gigantea, 96 

 Ptarmigan, 455 

 Pterodactyles, 428 

 Pterodaotylus, 428 

 Pteromys, 529 



„ volans, 529 



Pteropoda, 304 

 Pteropus, 501 

 Pterosauria, 428 

 Pterota, 305 

 Pterygoid, 394 

 Pterylae, 434 

 Pubis, 328 

 Puffin, 457 

 Pulex irritans, 278 

 Pulmonary syphon, 297 

 Puhnonata, 301, 305 

 Pulp, 339 

 Puma, 517 

 Punger, 227 

 Pupa, 249 

 PupU, 333 

 Purple, 295 

 Pyche, 274 



„ helix, 245 



