6o8 



INDEX 



Oviducts — 



of cockroach, 280. 



of crayfish, 284. 



of dogfish, 357. 



of earthworm, 227. 



of frog, 67. 



of leech, 238. 



of liver fluke, 204. 



of lizard, 579, 580. 



of pigeon, 414. 



of rabbit, 447. 



of Vertebrata, 382, 391. 



of whiting, 382. 

 Ovum, 10. 

 Oxidation, 3. 

 Oxygenation of blood, 62. 



in frog, 62. 



See also Respiration. 

 Oxyuris, 307. 



Pakeozoology, 523. 

 Palpiger, 274. 



Palps, labial and maxillary, of 

 cockroach, 274. 



labial, of mussel, 314, 315. 



mandibular, of crayfish, 245. 

 Pancreas, 48. 



of dogfish, 454. 



of frog, 48. 



of man, 474^ 



of pigeon, 410. 



of rabbit, 441, 442. 

 Pancreatic duct. See Pancreas. 

 Papilla, urinary, 356. 



urinogenital, 356. 

 Paraglossa, of cockroach, 274. 

 Paramecium, 129. 



effect of drugs on, 133. 



excretion in, 132. 



nutrition of, 1 32. 



reproduction in, 134, 191. 



structure of, 129. 

 P. aurelia, 131. 

 P. caudatum, 129, 130. 

 Paramylum, 125. 



in Euglena, 534. 



in Monocystis, 125. 

 Parapodia, 232, 515. 



of Nereis, 232. 

 Parasites, 307. 



ciliate, of frog, 158. 



Parasites — 



protozoan, of man, 144. 



See also Acarina, Aphaniptera, 

 Glochidium, Hemiptera, 

 Monocystis, Nematoda, 

 Platyhelminthes. 

 Parasitism, 307. 

 Parenchyma, 202. 



of liver fluke, 202. 



of tapeworm, 209. 

 Parent, 8. 

 Parthenogenesis, 190, 193, 196. 



artificial, 195. 



in Aphis, 190, 289. 



in Metazoa, 192. 



in Protozoa, 192. 

 Pecten, in pigeon's eye, 417. 

 Pectoral girdle. See Girdle. 

 Pediculus, 288. 

 P. capitis, 28-8. 

 P. vestimenti, 288. 

 Pelomyxa, 119. 

 Pelvic girdle. See Girdle. 

 Pelvis, 433. 

 Pentadactyle limbs, 40, 419. 



of Amphibia, 383, 518. 



of frog, 40. 



of Mammalia, 519. 



of pigeon, 402. 



of rabbit, 419. 



of reptiles, 518. 

 Pepsin, 50. 

 Pereiopoda, 246. 



Pericardialcavity. -S«Pericardium. 

 Pericardium, of cockroach, 278. 



of crayfish, 253. 



of dogfish, 350. 



of frog, 52. 



of rabbit, 421, 448. 



of swan mussel, 317. 

 Perilymph, 81. 

 Periostracum, 310. 

 Perisarc, 174. 



Perissodactyla, 465, 468, 520. 

 Peristalsis, 50. 

 Peristome, of Balantidium, 158. 



of Paramecium, 129. 



of Vorticella, 138. 

 Peristomium, of earthworm, 215, 

 216. 



of Nereis, 233. 



