INDEX. 
430 
Petromyzon, 314, 2S6. 
Phalangium, 289. 
Pharyugobranchii, 310, 282. 
Pharynx, 72, 85. 
Phasma, 297. 
Pheasant, 333. 
Phoca, 354. 
Physalia, 246, 194. 
Physeter, 34S, 341. 
“ see Whale. 
Physiology, 12. 
Picarise, 335. 
Pici, 335, 320. 
Picris, 303. 
Pigeon, 84, 333, 65, 316. 
Pike, 65. 
Pinnigrade, 354, 128. 
Pisces, 310, 48, 65. 71, 75, 102, 112, 123, 
124, 139, 283-293. 
“ see Fish. 
Placenta, 196, 171. 
Planaria, 264, 217. 
Planorbia, 273, 275, 232. 
Plant, 22. 
“ food of, 25. 
“ functions of, 24. 
Plantigrade, 237, 355, 128. 
Plant-louse, 297. 
Plasma of blood, 9S. 
Plastron, 323. 
Platyhelmiuthes, 264, 216, 217. 
“ see Tape-worm. 
Platyonychus, 2S7, 257. 
Plesiosaurus, 324. 
Pleurapophysis, 141. 
Plenrobrachia, 257, 209. 
Plover, 332. 
Poison-fangs, 6S, 33. 
Polychaetse, 269. 
Polycistina, 129, 242, 185. 
Polyp, 251. 
“ see Actinia. 
Polypterus, 315. 
Polyzoa, 266, 220. 
Pond-snail, 275, 232. 
Porcupine, 346. 
Porifera, see Sponge. 
Porites, 252. 
Porpoise, 88,348, 349, 54. 
Portal circulation, 306, 3S5, 281. 
Portuguese man-of-war, 246, 194 
Potato-worm, 303. 
Poulpe, 2S0. 
Prairie Chicken, 333, 315. 
Primates, 356, 35, 120, 143-145, 352-360. 
“ 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. 
Proboscis of Elephant, 62,119. 
Procoelous, 386. 
Prognathous, 393. 
Prosimii, 355. 
Prosobranchs, 278, 234-246. 
Proteus, 318, 295. 
“ hlood-corpuscle of, 99, 65. 
Protista, 21. 
Protoplasm, 19, 29, 31, 154. 
Protopterus, 317, 293. 
Protozoa, 238. 
“ number of species of, 221. 
“ see Amoeba, Infusoria. 
Psalterium, 89, 56. 
Pseudopodia, 51,154, 240, 15. 
Pseudotriton, 31S, 296. 
Psittaci, 337, 320. 
Pterodactyle, 324. 
Pteropoda, 273, 229. 
“ mouth of, 56. 
Pulex, 300. 
Pnlmonates, 274, 232, 233. 
Pulse, 385. 
Pupa, 20S, 172, 267, 270. 
Pupil, 183,157. 
Pygopodes, 328, 306, 307. 
Pyrophorus, 299. 
Quaiuutmana, 356, 395. 
“ see Monkey. 
Quohog, 272. 
Raccoon, 355, 346. 
Radiates, 233. 
Radiolaria, 242, 185. 
Rail, 332, 314. 
Ran a, see Frog. 
Range of Animals, 373. 
Rank of Animals, 223. 
Raptores, 334, 116, 317-319. 
Rasores, 332, 315. 
Rat, 346. 
Ratitne, 327, 305. 
Rattlesnake, OS, 136, 33. 
Raven, 339. 
Ray, 283, 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, S2. 
“ brain of, 172, 141. 
“ circulation in, 108, 76. 
