The science of life : fully illustrated in tone and line and including many diagrams
AM
Mendel’s laws, 160, 290, 291-297, 308-310
Merychippus, 208, 209, 224, 203, 204
Mesmerism, 851
Mesohippus, 208, 203, 204
Mesolithic Age, 494
Mesopotamia, 489
Mesozoic era, 196, 445, 446, 452, 405, 468, 469, 198, 392
Mespilus, 279
Messor, 703
Metamorphic rocks, 200
Metchnikoy, Ilya (1845-1916), 89
Metopina, 705-706
Metridium, 151
Metriorhynchus, 452
-Mexico, 541
Micraster, 210, 211
Microbe-carriers, insects as, 625630 Microbes, 167, 170, 181; and disease, 622-625 ; avoiding and killing, 631-633 ; carried in the air, 647-648 ; harmless, 623 ; in crowded and open places, 647-648. See Bacteria
Microbrachis, 442
Micrococcus, 568
Micro-feeders, 504
Microscope of A. van Leeuvenhoek, 12: of Robert Hooke, 13 ; development of, 13
Microscopists, early, 324
Mid-brain, 722, 722, 724, 729
Middle Cambrian period, 412
— Carboniferous period, 416
— Devonian period, 425, 426, 428, 434, 436, 440
— Eocene period, 474
— Jurassic period, 462
— Ordovician period, 424
— Pliocene period, 483
— Stone Age, 494
Migration, of birds, 490, 601-602 ; of butterflies, 604; of caribou, 490; of fox sparrow, 490; of lemmings, 599; of locusts, 599; of mammals, 238-240, 490; 491, 744-745; of salmon,
6
Milk: 109, 614; and cancer, 640 ; and internal secretion, 97 ; contamination of, 640; longevity and soured, 89 ; model farms for preparation of Grade A, 641 ; why it turns sour, 183
Milkwort, 230
Miller, Hugh (1802-1856), 415
Miller’s thumb, 536
Millipede, 128-129
Mimeciton, 706
Mimicry, 573-577, 576 ; 577; Mullerian, 577
Mimosa pudica, 157
426, 461, 593;
197, 421, 457, 458, 472, 476,
Batesian,
Mind, collective, 877; drugs and the, 824-826; human, 787826; in gear and out of gear, 814-821 ; in insects, 689-695 ; individual variation in man, 821-826; of a dog, 77132, 7745. 776-7775 778 779; 780-786 ; of
amphibia, 728-730; of a fish,
890
INDEX
of reptiles, birds and
725-728 5 See Beha-
mammals, 730-735. viour, Consciousness Minnow, 536 Miocene Age, 196, 469, 470, 472, 474, 483, 486, 857, 198, 208, 471
Miohippus, 209
Mirabeau, Count Honoré Gabriel Riquetti (1749-1791), 825
Mirabilis jalapa, 292, 294, 296, 293
Miracidium, 141, 141
Missing links in evolution, 211-215
Mississippi, the, 194
Mites, 126
Mitosis, 283
Moa, 550
Mocking-bird, 374, 748
Modern Era, 468-480
Meeritherium, 471
Mola, 514
Mole, 111, 471
Molluscoidea, 143
Molluscs, 130-134, 521, evolution of, 418-422 ; system of, 678
Monarch butterfly, 573
Mongolia, 206, 460, 472, 473, 475
Mongolian Desert, 203
Mongoose, 608
Monitor, 114.
Monkey, Humboldt’s Woolly, 238
Monkey-puzzle tree, 469
Monkeys, 108 ; behaviour of, 753759. See Apes
Monotremes, 109, 449
Moods, self-knowledge and, 831832 Moropus, 471
Mosasaur, 114, 451, 449, 452
Mosquito, 600, 612, 219, 626; malaria-carrying, 626, 628, 629
Moss sperm, 164
564 ;
nervous
Mosses, 162-166, 587, 156, 164, 165, 432
Moth, cinnabar, 578; gold-tail, 682; Poplar Hawk, 219;
‘Vapourer, 221 Moths, and light, 680 ; 361 ; smell in, 694 Moulds, 579, 175 Mountain-chough, 550 Mountains, life on, 6, 549 Mount Everest, animal and plant life on, 549 Mouse, 110, 598, 21, 565 ; of, 273, 294 Mousterian culture, 493 Mouth, digestion in, 51 ; of, 404. Mud-hopper, 440, 440 Mulatto, 299 Miillerian mimicry, 577 Multiple genes, 299, 369 sqq. Multiple emonalides! 798-801 Multituberculates, 470, ‘449 Murray, Prof. Gilbert, 840 Muscles, 24-26, 70, 664, 670; of the forearm, 27; of a frog, 70 Mushrooms, 173, 175, 403 Musk ox, 236, 548, 358 Mutation, 290, 350-352; in Chinese Primrose, 35! ; in Drosophila, 351, 302, 303, 351 ; in Evening Primrose, 352; in moths, 361 5
melanism in,
gamete
evolution
(O~]
M—N
induced by X-rays, steadiness of, 352
Mycetozoa, 178
Myers, Frederic William Henry (1843-1901), 844
Mynah, 748
Myriapoda, 128
Myrmecocystis, 702
Myrmica, 706
Mysis, 595
Myxoedema, 100
360-361 ;
Myxomycetes, 178. See Slime, Fungi N NaGana disease, 556 Naias, 538
Nanno-plankton, 510
Naosaurus, 449
Natural selection, 263, 364-367 ; as a conservative force, 367369; in action, 369; may be useless to species, 371-373; not acting on man, 874; under changing conditions, 369-372
Nauplius larva, 513
Nautilus, 421, 422, 514, 420 INewicales 595 Neanderthal man. See Homo
Nectar, 158
Nemathelminthes, 138
Nematophycus, 429
Nemertine worms, 142, 513
Neo-Lamarckism, 262, 265
Neolithic Age, 11, 494
Neo-Malthusianism, 262
Neopallium, 734
Neo-salvarsan, 633
Nereis, 138, 408 ; larva of, 513
Nerve fibres, 68, 69, 68, 69
Nerves, 26, 68 ; function of, 68-70, 776; impulses in, 664; structure of, 68—7o
Nervous impulses, 69
Nervous system, 26, 68-71, 84-87, 405, 721 : central, 68; dev elopment of, in embryo, 720-726 ; evolution of, 404, 672— 678 ; in lower animals, 720-7 26 : in vertebrates, 720-735. See Brain,
Nerves Nest of ants, 700 ; of termites, 709 Neurasthenia, in dogs, 786; in
man, 806-807 Nevada, mouse plague in, 598 New England, 488, 612 — Guinea, 109, 236, 544 — Hebrides, 348 New Stone Age, 494 — York, 488, 629 — Zealand, 231, 237, 238, 243, 550;
5513.552, 606, 609, 610, 614 Newt, 115, 315, 729-730; 315; evolution of, 449; poison of,
671
Nicotine, 642
Night-blindness, 343
Nightjar, European, 740
Nightjar, South American, 569, 570
Nile valley, 489, 540
Nipa palm, 469
Nitre, 616
Nitrogen, cycle, 184, 579-581 ; fixation, 184, 558; in blood, 35 ; in proteins, 48