European Races, classification and history, xvi, 48-50
Europeans, comparative measurements of, xv, 57; hair of, 38; northern and southern, color of, 37
Europium, symbol and atomic weight, viii, 383
Eustachian Tube, ix, 101 (fig.), 102, xi, 101; adenoid effects on, x, 341-2; deafness from closing of, ix, 103-4; discovery, xvi, 82
Evaporation, body heat regulation by, i, 317, 318, ix, 316, 317; by trees, xiv, 377-8, 378-9, 379; (see also Transpiration); cooling by, iv, 174, viii, 69, ix, 316; electricity, caused by, vii, 212; ice made by, v, 349-50; measurement of, i, 88-9; of liquids, iv, 167; of terrestrial waters, xiv, 135; water table affected by, 136
Evergreen Trees, deciduous, xiv, 370, 371; in landscape gardening, xiii, 269, 270, 271 (See also Conifers)
Evil Spirits, savage belief in, xv, 234, 304-5, 336, 339-40, 348, 352
Evolution, animals the main proof of, iii, 259, 260; Buffon on, xvi, 139-40; climatic, iii, 174; Darwinian theory, x, 135, 136, xvi, 149-52; Greek theories, 78-9, 139; human, xv, 26-31, xvi, 47; laws of, xv, 15-25, 381-2; laws and goal of, xiii, 325-36; Le Conte on, iii, 164; social, xv, 29-31, 382, 383-4; universality of, ii, 366, xv, 29, xvi, 152; Wolff's theory, xvi, 118
Excavating, air pressures in, v, 120; through quicksands, 115-18, 123; under river-beds, 121-4; with water jets, 88
Excavating Machinery, v, 252-9; for swampy ground, 216
Excitement, blood changes in, ix, 293, xi, 137, 138; insomnia from, ix, 219; pain and, xi, 119; recovery period, 21
Exercise, effects, needs and rules, x, 303-6; effects on breathing, ix, 256, 258; effects on heart rate, 168-9, 207, 208-9, 261-2, x, 334; effect on lymphatics, ix, 223; effects on sweat glands, 169, 315-16; for constipation, 251, x, 317; heat produced by, 270, 306; obesity and, 273-4, 275; oxygen consumption in, ix, 261; psychological importance, xi, 339, 371-2; pulse rate after, x, 334; tuberculosis preventative, 292; violent, albuminuria from, 345
Exhaustion, kinetic theory, xi, 59-60; mental and physical, 135-6; nervous system in, 274; pain in, 119; unlike sleep, 286
Expansion, by heat, iv, 134-5, 138, 140, 145, 151, v, 71, viii, 25, 107; coefficient of, iv, 145; cooling by, i, 30, 90, iv, 188, 191-2, vii, 323, viii, 68; of fused quartz, vii, 311-12; of water and other substances on solidifying, iv, 149-51, viii, 38