INDEX 



553 



Os calcis, 334. 



Os centale, 332. 



Osborn, H. F., 153, 156, 184, 416, 



441. 



Ostariophysi, 354~3SS- 

 Ostrich (Rheiformes), 107, 384. 

 Ostrocoderms, 322. 

 Ovalipes ocellatus, 258. 

 Ovis, 414. 

 Ovules, 77. 

 Owen, Professor, 107. 

 Oxidation, 32-34. 

 Oxygen, 19, 31, 32, 34. 

 Oxyuris, 234. 

 Oysters ; see Mollusca. 

 Ozarkian Epoch, 148. 



Packard, 115, 516. 



Paeciliidae, 355. 



Palsearctic Region, 448, 450, 451, 452. 



Palsemonetes, 259. 



Palseocampa, 265. 



Palaeo-Laurentian (Archeozoic) Era, 



148. 



Palaeomastodon, 425, 427. 

 Palaeontology, 140, 147. 

 Palasospondylus, 327. 

 Palaeozoic Era, 148, 150, 151, 221, 



222, 227, 228, 322, 358, 359. 



Pancreas, 30. 



Panorpa, 274. 



Panorpatse (Mecaptera), 274. 



Paramecium, 17, 73, 80, 193, 194, 

 195, 196, 197. 



Parapodia, 253. 



Parasites, 199-206, 250; parasitism, 

 199. 



Parthenogenesis, 74; artificial, 75. 



Passeriformes, 392. 



Pasteur, Louis, 479-488, 532; early 

 life, 479; service to mankind, 

 479; first scientific discovery, 480; 

 marriage, 482 ; dean of science, 

 482 ; death, 488 ; research and 

 results : antiseptic surgery, 485 ; 

 perpetual motion, 483 ; polari- 

 scope, 480; silkworm disease cure, 

 484; spontaneous generation, 483 ; 

 vaccination, anthrax and hydro- 



phobia, 486-487; see also Genera- 

 tion. 



Patmore, Coventry, 507. 



Patriofelis ferox, 155. 



Patten, Professor, 321. 



Pauropoda, 266; Pauropus, 266. 



Pavo, 388. 



Pea, 42-48; hybridization of, 42; 

 see also Mendel, G. J. ; Mendelism. 



Peacock (Pavo), 388. 



Pearl, Raymond, 124. 



Pearls (Nacre), 250. 



Pearson, Karl, 128. 



Pebrine, 483. 



Peckham, Elizabeth G., 285. 



Peckham, George W., 285. 



Pedicellariae, 223. 



Pediculus capitis, 272. 



Pelmatozoa, 221. 



Pelseneer, Paul A., 252. 



Penguins (Sphenisciformes), 381, 382; 

 P. emperor, 469-470. 



Pennsylvanian Period, 148, 150, 342. 



Periods, geological, 148. 



Peripatopsis, 263, 264. 



Peripatus, 263-264; P. capensis, 264. 



Perisoreus canadensis capitalis, 393. 



Perissodactyla, 414. 



Perloidea (Plecoptera), 269. 



Permian Period, 148, 150. 



Perpetual motion, theory of, 483. 



Perraudin, 513. 



Perrier, Edmond, 236, 239, 284, 478. 



Phagocytosis, 26. 



Phalanges: of foot, 334; of hand, 



332- 

 Phasianidse, 388. 



Phasmidse, 318. 

 Pheidole, 300, 303. 

 Phenacolestes mirandus, 160. 

 Phenomena of life, 4, 6, 13, 115; see 



also Life. 

 Philonthus, 276. 

 Phoberoblatta reticulata, 151. 

 Phoronidea, 181. 

 Phosphorescence, 33, 475. 

 Phyla, of animals, 178-185; charts, 



183, 185. 

 Phylogeny vs. ontology, 140. 



