The science of life : fully illustrated in tone and line and including many diagrams
N—O
Nitzschia, 595
Noctiluca, 512, 514, 520, 515, 595
Nordenskiold glacier, 547
North Africa, 206
— America, 206, 231, 237, 239, 244, 444, 470, 476
— Sea, 527, 551, 225
North-western India, 195
Norton, Lt.-Col., 6, 7
Norway, 410, 488, 601
Notochord, 95, 118
Nourishment of the body, 47, 634—
_ 645
Nova Scotia, 490
Nummulite, 565
Nyctilus, 569-570
Nyctiphanes, 595
oO
Oak, 155, 586, 590
Obelia, 146=149, 150, 157, 415; 147, 405
Ocean, depth of the, 8; lifein. See Sea
Occupational mortality, 654, 655
Octopus, 132, 409, 419, 421, 596, 669, 420. 515
(Ecophylla, 700
Oeda, 574
(Enothera lamarckiana, 352, 353
Oikomonas, 568
Oikopleura, 595
Okapi, 236
Old age. See Senility
Old Stone Age, 11, 257, 493, 494
Oligocene period, 196, 469, 472, 474, 483, 198, 208, 471
Oliver, Prof. F. W., 589
Onager, 203
Onychophora, 129
Ooze, abyssal, life on, 523-524; globigerina, 171; radiolarian, 171
Ophiothrix, 136
Oporabia autumnata, 369
Opossum, 110, 229, 236, 237, 238 Optoquine, 633 rang-outang, 481, 753, 756,
248: late embryo of, 251
Orchids, 464, 546
Ordovician period, 196, 197, 414, 415, 417, 419, 198, 420
Oregon, 490
Organisms, sizes of, 564-568
Organizers, in embryo, 317
Origin of species, 263. See Evolution — — life, 394-396
Ornitholestis, 449, 458
Orohippus, 207, 204
Orophocrinus, 417
Orthogenesis, 264, 265, 380
Oryx, 235
Osborn, Prof. Henry Fairfield, 26
Osteolepis, 440, 423
Ostracoderms, 422, 424, 425, 420, 423
Ostrich, 564
— Dinosaur, 467, 458
Otter, 111 Ovary, 91; 92, 97, 100, 92; in plants, 160
Oviduct, 92, 93, 92
INDEX
Ovum, 87, 90, 91, 93, 97, 273, 90, 567
Owl, Snowy, 490, 548
Ox, 110, 471
Oxford clay, 195
Oxidation and life, 23
Ox-pecker, 610
Oxygen, 22, 63; amount needed, 63; and plants, 154, 155; as
a poison, 182 ; transport of, in
body, 34, 43 ; urgency of need
for, 36-37. See Respiration Oxysoma, 707, 706 Oysters, 130,131; as typhoid
carriers, 640
P
PACHYCONDYLA, 705 Pachystomias, 518 Paddie-bird, 597 Paddle-worm, 137 Pain, 74 Palzomastodon, 471 Paleotherium, 209 Paleozoic era, 196, 197, 412-413, 415, 417, 419, 421, 427, 198, 392 — fish, 423 — vertebrates, 423 Palestine, 177, 494 Palinurus, 515 Pallas’ sandgrouse, 602 Panama, Isthmus of, 241 Pancreas, and diabetes, 102; and digestion, 54-55 Pangenesis, Darwin’s theory of, 355 Pansy, wild, 378 Panthera tigris longipilis, 232 — — sondaica, 232 Papaver nudicaule, 373 — striatocarpum, 373 Papilio cynorta, 576 — dardanus, 221, 576 Paraguay, 231 Parahippus, 209 Parallelism and variety of life-communities, 581-584 Paramecium, 172, 567 — bursaria, 665, 666 — caudatum, 665, 683-686, 683 Parasite-chains, 593-597 Parasites, 172, 226, 503, 578, 579; 125, 402 Parasitism, discussion of, 503, 555562 Paratettix, 352 Parathyroid glands, 102 Paratyphoid, 218 Pareiasaurus, 448 Parrot, 89 Parthenogenesis, 274 Partnership and parasitism, 562 Passerella ilica (fox-sparrow), migration of, 490 * Passive immunity ”’ from disease, 631 Pasteur, Louis (1822-1895), 5, 176, 267, 613, 623, 630, 632: experiment by, 268 Patagonia, 490 Patella, 106 Pattern in life, colour and, 568577 ; Pavement epithelium, 29
DoD=
P
Pavlov, Prof, Ivan Petrovitch, 728; 779-773; 774; 778, 779: 780, 781, 782, 784, 785, 789, 810, 811
Peacock, 735
Peat, 437
Peccary, 236, 474
Pedicellarie, 135
Pelagic zone, 512
Pelagomya, 516
Pelagothuria, 513, 516, 515
Pelican, 113
Pellagra, 638
Pelvis, 106
Pelycosaur, 448, 449
Penguin, 514, 597
— Adelie, 752, 753, 752
Pennaria, 148
Pepsis, 573
Peridinians, 539, 598
Peridinium, 595
Periophthalmus, 440,
Peripatus, 129, 137, 21
Perissodactyla, 110
Peristalsis, 52
Permian period, 196, 415, 439, 444, 446, 447, 448, 461, 462, 468, 198, 420, 445
Persia, 206, 540, 599
Peru, 616
Pests and their biological control, 609-612
Petrel, 547
Phaeocystis, 595
Phagocytes, 59, 60, 630
Phalanger, vulpine, 237, 235
Phalarope, 368, 359
Phanerogams, 162
Phenacodus, 471
Philip IV of Spain (1605-1665). 299
Philippine Islands, snails of the, 374
Pholas, 529
Phoronis larva, 513
Phosphates and muscular activity, 645
Phosphorescence. See Animal light
Phosphorus, importance of supply, 617
Phototropism, 680
Phthisis, 654, 655
Phyllirrhoe, 521
Phylum, classes of the vertebrate, 109 ; meaning of, 106
Physalia, 150
Piddock, 529
Pierine butterflies, 378
Pig, 110, 474, 217, 471
Pigeon, 734, 739; wild rock, 229
Pike, 536
Pilidium larva, 513
Piltdown man. See Eoanthropus
Pineal gland, .108, 725, 765, 765 ; of frog, 724
Pine-tree, 590 ; spores of, 432
Pipe-fish, 527, 151
Pithecanthropus, 251, 252, 486
Pituitary gland, 90, 97, 98, tor, 102, 108, 322, 570, 99, 724, 765
Placenta, 96, 98, 96
Placental mammals, 110; archaic, 449; evolution of the, 471; modern, 449
Plague, 628, 629, 653
440
529, 6, 667, 128
891