INDEX, 
409 
Pharyngobranchii, 310,282. 
Pharynx, S5. 
Pheasant, 333. 
Phoca, 354. 
Physalia, 24G, 104. 
Physeter, 348, 341. 
“ see Whale. 
Picarife, 335 
Pici, 335, 320. 
Pigeon, 333, 310. 
Pinnigrade, 354,128. 
Pisces, 310, 48, 51, 05, 75, 102. 112, 123, 
124, 139, 283-293 
“ see Fish. 
Placenta, 196,171. 
Planaria, 264, 217. 
Plant, 22. 
“ food of, 25. 
“ functions of, 24. 
Plantigrade, 355, 128. 
Plant-louse, 297. 
Plasma of blood, 9S. 
Plastron, 323. 
Platyhelminthes, 264, 210, 217. 
“ see Tape-worm. 
Platyonychus, 2S7, 257. 
Pleurobrachia, 257, 209. 
Plover, 332. 
Poison-fangs, 68, 33. 
Polycistina, 242, ISO. 
Polyp, 250. 
“ see Actinia. 
Polyzoa, 266, 220. 
Pond-snail, 275, 232. 
Porcupine, 346. 
Porites, 252. 
Porpoise, 88, 349, 54. 
Portal circulation, 307, 3S5, 281 
Portuguese Man-of-war, 246,194. 
Potato-worm, 303. 
Poulpe, 2S0. 
Prairie Chicken, 333, 315. 
Primates, 356, 35,120,143-145, 352-358. 
“ brain of, 143-145. 
“ skeleton of Chimpanzee, 120. 
“ teeth of Chimpanzee, 35. 
“ see Ape, Man, Monkey. 
Proboscidea, 350, 36, 119,129. 
Proboscis of Butterfly, 59, 23. 
“ of Elephant, 62,119. 
Proccelous, 383. 
Prognathous, 393. 
Prosobranchs, 278, 234-246. 
Proteus, 318, 295. 
“ blood-corpuscle of, 99, 65. 
Protista, 21. 
Protoplasm, 31. 
Protopterus, 316, 293. 
Protozoa, 238. 
“ number of species of, 221. 
“ see Amoeba, Infusoria. 
Pseudopodia, 51,15. 
Pseudotriton, 31S, 296. 
Psittaci, 337, 320. 
Pteropoda, 274, 229. 
“ mouth of, 56. 
Pulmonates, 274, 232, 233. 
Pulse, 3S5. 
Pupil, 1S3,158. 
Pygopodes, 328, 306, 307. 
Quaduumana, 356. 
Raccoon, 355, 346. 
Radiates, 233. 
Radiolaria, 241, 186. 
Rail, 332, 314. 
Rana, see Frog. 
Range of Animals, 373. 
Rank of Animals, 224. 
Raptores, 334, 116, 317-319. 
Rasores, 332, 315. 
Rat, 346. 
Ratitse, 327, 305. 
Rattlesnake, 68, 33. 
Raven, 339. 
Ray, 314, 288. 
“ teeth of, 67, 32. 
Razor-shell, 272. 
Redstart, 338, 325. 
Repair, 215. 
Reproduction, 191. 
“ asexual, 191. 
“ by budding, 192. 
“ checks on, 227. 
“ by division, 191. 
“ rapidity of, 226. 
“ sexual, 192. 
Reptilia, 319. 
“ alimentary canal of, S8. 
“ brain of, 172,141. 
“ circulation in, 108. 76. 
“ corpuscles of, 99, 65 
“ distribution of, 378. 
“ lungs of, 118, 84. 
“ mouth of, 61. 
“ prehension of, 61. 
“ scales of, 135. - 
“ teeth of, 67. 
“ voice of, 1S9. 
“ see Crocodile, Lizard, Snake 
Turtle. 
Respiration, 111. 
“ in Crustacea, 114. 
“ in Echinoderms, 112. 
“ in Fishes, 114. 
“ in Insects, 114. 
“ in Mollusks, 113. 
“ rate of, 120. 
“ in Vertebrates, 117. 
“ in Worms, 113. 
Rete mucosum, 128. 
