The science of life : fully illustrated in tone and line and including many diagrams
H—I
Hunter, John (1728-1793), 278, 320
Huxley, Thomas Henry (1825-
1895), 218, 248, 263, 443, 863
Hyena, 108, 584
Hyznodon, 471
Hybrids, between species, 233, 234 ; graft-hybrids, 278, 279 ; intersexuality in, 348; sterility of, 233; vigour of, 304
Hydra, 150, 151, 178, 277, 55! 558, 406, 566
Hydrophilus grub, 532
Hydrotropism, 680
Hydrous larva, 532
Hydrozoa, 149
Hygiene. See Health
Hyperieds, 595
‘Hypnotism, in dogs, 783 ; in lower animals, 783—784 ; in man, 794798 Hypohippus, 383, 208
Hyracotherium, 204
Hyrax, Cape, 235
Hysteria, in dogs, 785; in man, 801-804.
IANTHINA, 520
Ibex, 550
Ice Ages, 410, 444, 469, 470, 473, 476, 484, 486, 487, 488, 491, 492, 493, 528, 392, 445; time diagram of, 487
Ice-flower, 548
Iceland, 488
— moss, 177
Ichneumon-fly, 500, 556
Ichthyosaur, 114, 194, 201, 451, 474, 217, 449, 452
Iguana, 114
Iguanodon, 200, 449
Immunity from disease, natural and
artificial, 630-631
Inbreeding, effect of, 306; dangers and uses, 304-307
Incest, origin of tabus against, 860863 India, 206, 244, 444, 625, 630
Indiana, 587
Indian Ocean, 522
Indigestion and tea-drinking, 644
Individuality, in cells, 31 ; in the lower animals, 144, 148-149, 150; in plants, 157
Indo-China, French, 374
Infection, the process of, 623-624
Inflammation, 34, 60
Influenza, 623, 625, 631, 648, 653,
955
Infusoria, 172, 673
Inheritance of acquired characters, 353-360. See Heredity
Inhibition, in the nervous system, 775-780 ; and hypnotism, 783 ; and sleep, 780-783
Inoculation, preventive, 218
Inostransevia, 449
Insanity, 814-821
Insectivora, 111, 471
Insects, 126-128; as disease carriers, 625-630; as pests,610-611; behaviour of, 689-719 ; determination of sex in, 338 ; earliest
888
its
INDEX
known, 416 ; effect of island life on, 550-551; evolution of flowers and, 461; faces, 219; flight of, 454; flightless, 550 ; fossil, 200, 416, 420; parasitic, 556; pollination of flowers by, 158-160 ; rivalry between landvertebrates and, 464; societies, 697-701
Insemination, artificial, 341
Insomnia and tea-drinking, 644
Instinct, culminates in Arthropods, 689 ; defined, 682 ; in amphibians, 729-730 ; in birds, 734735 3; internal secretions and, 97> 345
Insulin, 102 :
Intelligence in birds, 734-735; in fish, 728 3 in mammals, 735-747
— tests, 821-823, 822
Internal secretion, 35, 66, 97, 100 ; and growth, 100, 101, 321-323 ; and sex characters, 99, 344-346. See Adrenal, Pituitary, Thyroid
Intersexes, 346-349
Interstitial cells, 92, 99
Intestinal worms, 138-139, 142
Intestine, 57, 58; large, small, 54
Intra-specific selection, 373
Introversion, in psychology, 823
Iodine, 174, 322
Ireland, 174, 487, 491
Irritability of protoplasm, 664
Irvine, A. C., 6
Islands, life on, 242-243, 374-375; 999-552
Isolated organs, survival of, 31-32, 664.
Isolation, as a species-maker, 373375 Israelites and manna, 177
Italy, 233, 488, 494, 626, 874
J
Jacxat, Indian, 231
Jaguar, 384
Jamaica, 629
James Island, 374
James, William (1842-1910), 793,
82
573
Japan, 174, 524, 574
Java, 188, 252, 304, 464
Jaws, evolution of, 214, 422, 252
Jeans, Sir J. H., 9, 391, 397
Jelly-fish, 147, 148, 150, 412, 520, 562, 667, 674, 675, 687, 151, 280, 515, 564, 594
Jenner, Edward (1749-1823), 631
Jerboa, 111, 543
Johannsen’s experiment, 289
Junco, 601
Jung, Dr. C. G., 794, 812, 813, 814, 823, 825, 828, 829, 865
Jurassic period, 196, 197, 421, 448, 451, 452, 453, 454, 455, 456, 457, 459, 461, 462, 468, 470, 490, 593, 198, 211, 420
K KALA-AZAR, 172
Kalahari Desert, 541 Kamchatka, 470
Kangaroo, 110, 237, 235 Kangaroo-rat, 543
Kea, 609-610
Kelp, 404
Kent’s Hole, 492
Kenya, 614
Kerguelen Islands, 550, 551 Kiang, 203
Kidneys, 27, 44, 45, 46 King crab, 126, 416, 422, 420 Kittens, play in, 749-750 Kiwi, 550
Koala, 235
Koehler, Wolfgang, 821 Komodo dragon, 564 Koumiss, 89
Kraepelin, Prof., 554 Krait, 114
Krakatoa, 584.
Kudu, 471 ; greater, 235
L
LABURNUM, 279, 279
Lacerta viridis, 114
Lake Baikal, 539
— Mendota,Wisconsin, U.S.A., 594
— Michigan, 586
Lakes, life in, 537 ; salt, 553
Lamarck, Jean Baptiste 1829), 262, 353, 354
Lamarckism, 263, 264, 354-360
Lamb, an abnormally developed, 316
Lamellibranchia, 131
Laminaria, 174, 403, 525
Lammergeier vulture, 550
Lamprey, 116, 118, 557
Lamp-shells, 143, 408, 143, 420; larva of, 513
Lancelet, 117, 666, 720, 722, 119
Land, dry, as a habitat, 502-503, 539-552; imvasion of, by animals, 437-442 ; invasion of, by plants, 426-434; originally lifeless, 426
Land reclamation, 589
Langouste, 515
Lankester, Sir E. Ray, 674, 680
Lanugo, 96
Larch, 564
Larve, in surface zone of sea, 513 ; of insects, 128, 535, 703-704, 712; of sea-squirts, 118; of worms, 513
Lasiognathus, 521
Lasius, 706
Late Cretaceous period, 483
— Devonian period, 425
Eocene period, 4.83
Miocene period, 483
Permian period, 470
— Silurian period, 422, 438
Lateral line, the, 726, 107
Laternaria lucifera, 575
Laughter, 820
Lawes, 616
Layering of plants, 276
Lead, 255, 256
Leaf-insect, 693
Lebistes, 566
Leech, 137 2
Leeuvenhoek, Anthony van (16321723), 167; microscope made by, 12
(1744=