756 



INDEX 



Pancreas of frog, 365 

 of man, 481 

 of pigeon, 408 

 of rabbit, 442, 445, 471 

 Panniculus adiposus, 516 

 Panorpa commu7iis, 254 

 Papilla, urinary, 334 



urogenital, 334 

 Parabasal body, 65 

 Parachordal plates, 573 

 Paradidymis, 616 

 Paragaster of sponge, 83 

 Paraglossa of cockroach, 229 

 Paraglycogen, 43 

 Paragnatha, 203, 232 

 Paramecium, 46 

 aurelia, 48 

 caudatum, 46, 48, 52 

 conjugation in, 51, 52, 55 

 effect of drugs on, 51 

 inheritance in, 705 

 locomotion, 47 

 nutrition of, 49 

 reactions of, 50 

 reproduction in, 51 

 Paramylum, 39 

 Paraphysis, 608 

 Parapineal body, 608 

 Parapodia, 176, 177 

 Paraprocts, 230 

 Parapsid, 579 

 Parasites, 147, 149 

 ciliate, of frog, 60 

 effects on hosts, 149 

 life phases of, 154 

 protozoan, of man, 62 

 respiration of, 154 

 See also Acarina, Aphaniptera, 

 Glochidium, Hemiptera, 



Nematoda, Platyhelminthes, 

 and individual animals 

 Parasitic castration, 150 

 Parasitism, 97, 147 

 Parasympathetic system, 523, 614 

 Parazoa, 79, 88 

 Parenchyma, 118 

 of liver fluke, 119 

 of tapeworm, 129 

 Parent, 3 



Parietal body, 608 

 lobe, 460 



vessels of earthworm, 167 

 Paroophoron, 619 

 Parrot. 404. 478. 559. 583, 593 

 Pars intercerebralis, 248 

 Parthenogenesis, 6, 125, 239, 251, 



262 

 Patella, 284 



Patella, 438 

 Paurometabola, 246 

 Pea, 680 

 Pearls, 279 



Pecten in pigeon's eye, 415 

 Pectineal process, 406 

 Pectoral girdle. See Girdle 

 Pedicellariae, 288, 295 

 Pediculus, 148, 253 

 Pedipalp, 222 

 Pellicle of Euglena, 39 



of Paramecium, 47 

 Pelomyxa, 35 

 Pelvic girdle. See Girdle 

 Pelvis, 436 

 Penguins, 550 

 Penial setae of Ascaris, 135 

 Penis of birds, 414 



of leech, 183 



of liver fluke, 122 



of rabbit, 418, 456, 527. 538 



of snail, 269 

 Pentadactyl limbs, 419 

 Peppered moth, 710 

 Pepsin, 366, 444 

 Peptone, 444 

 Peranema, 41 



Pericardio-peritoneal canal, 321 

 Pericardium or pericardial cavity, 



516 



of cockroach, 235 



of crayfish, 205 



of dogfish, 321 



of frog, 369 



of rabbit, 420 



of snail, 268 



of swan mussel, 275 



of tadpole, 641 

 Perichondrium, 517 

 Perihaemal cavity, 293 

 Perilymph, 390, 468 

 Periophthalmus , 679 

 Periosteum, 519 

 Periostracum, 266 

 Peripatopsis, 219 

 Peripatus, 218, 219 

 Periplaneta americana, 225, 



231, 239 



australasia, 225, 



See also Cockroach 

 Perisarc, 104 

 Perissodactyla, 490, 557 

 Peristalsis, 168, 530 

 Peristome of Paramecium, 46 



of starfish. 287 



of Vorticella, 56 

 Peristomium of earthworm, 159, 

 170 



