460 



GENERAL ZOOLOGY 



Pancreas, 119, 371 



Paramecium, 292 



Parasites, 71, 203, 262, 288, 295 



Parathyroid gland, 128 



Paroquet, 389 



Parrots, 388 



Parthenogenesis, 34 



Partridge, 385 



Passeres, 389 



Pasteur, 446 



Pearls, 205 



Peckham, Dr. and Mrs., on habits of 



wasps, 81 

 Pedal ganglion, 195 

 Pedicellariae, 222 

 Pedipalps, 137 

 Pelagic fauna, 330 

 Pelicans, 381 

 Pelvic girdle, 316, 338 

 Peptone, 119 

 Perch, 311 

 Perching birds, 389 

 Perfumes, 430 

 Pericardium, 193, 372 

 Periostracum, 191 

 Peripheral nervous system, 244 

 Periwinkle, 213 

 Permeable membrane, 120 

 Petrels, 380 

 Phagocytes, 96 

 Phalanges, 338 

 Pheasants, 385 

 Phyla, 109 

 Physiology, 441 

 Pici, 389 



Pigeons, 368, 386; carrier, 376; do- 

 mestic, 368; passenger, 386 

 Pigs, 418 

 Pike, gar, 323 

 Pill bug, 163 

 Pisces, 309 

 Plague, 104 

 Planarian, 261 

 Plant lice, 33 



Plathelminthes, 261, 266, 308 

 Plovers, 384 

 Plowshare bone, 373 

 Pneumatic duct, 314 

 Polian vesicles, 229 

 Pollen baskets, 86 

 Pollination by insects, 105 

 Pollution, 329 

 Polymorphism, 59 

 Polyp, 267, 308 

 Porcupines, 422 

 Porifera, 283, 287, 307 

 Porpoises, 416 

 Potato beetle, 50 

 Potential energy, 123 

 Prairie dogs, 422, 432 



Prawn, 160 



Premolars, 404 



Primates, 427 



Prismatic layer, 191 



Proboscidea, 420 



Proboscis, 54, 261 



Prochordates, 307, 309 



Propolis, 83 



Prostomium, 239 



Protection, 328 



Protective color, 14, 319 



Protective mimicry, 58, 73 



Protective resemblance, 18, 20, 64 



Protein, 118, 129 



Prothorax, 4 



Protoplasm, 118, 129 



Protopodite, 150 



Protozoa, 288, 297, 307 



Psalterium, 421 



Pseudopodium, 289, 307 



Ptyalin, 118 



Public Health Service, 447 



Pulvillus, 4, 14, 69 



Puma, 423 



Pupa, 44, 96 



Pygopodes, 378 



Quail, 385 



Quaternary Period, 436 

 Queen bee, 83 

 Quill, 369 



Rabbits, 422, 432 



Rabies, 432 



Raccoons, 424 



Rachis, 369 



Radial canals, 224 



Radial nerve, 229 



Radially symmetrical, 222 



Radius, 338 



Raptores, 387 



Rats, 422, 432 



Rattlesnakes, 359 



Rays, 321 



Rays of fins, 313 



Realms, 116 



Reasoning, 98 



Recapitulation Theory, 302 



Recessive, 177 



Reed, Dr., on yellow fever, 102 



Reefs, 281 



Reflex action, 97, 245 



Regeneration, 159, 230, 262, 345 



Repellent odors, 40 



Reproduction, methods of, 127 ; mi- 

 tosis in, 133 



Reptiles, Age of, 365 



Reptilia, 310, 351 



Resemblance, aggressive, 23; protec- 

 tive, 18, 20, 64 



