MECHANICS, Volume v Mechanics, "artisan" of physics, iv, 50; daily applications, xvi, 16-17, 19-20, 30; defined, iv, 25; history, xvi, 67-8, 72, 89, 91 Medical Education, requirements of, x, 367-8, 369; Rockefeller Foundation and, 172 Medical Humanists, x, 45 Medical Meteorology, i, 316-31 MEDICINE, Volume x Medicine, history of, x, 9-192, xvi, 59, 63, 70-1, 82-3, 95-6, 98, 106-9, 112, 126-7, 178-87; Paracelsus on science of, x, 49; science of, remarks on, 368, xvi, 15, 37 Medicine Men, xv, 349-53, 354, 359, 365-6 Medicines, electrical application of, vii, 247-8; quack, 240-1; plants used as, xiii, 249-55; specific, x, 49-50 Mediterranean Lands, climate of, xiv, 348-9, 358-9; source of cultivated plants, 381-2 Mediterranean Racial Group, xvi, 49 Mediterranean Sea, ancient civilization around, xiv, 290, 306-7, 358, 359; concordant coasts, 249; darkness at depths, 298; geology of, 290-1; petrels of, xii, 252; "pilgrim shell" of, 65; salt in, viii, 139, xiv, 296, 297; sponges of, xii, 32; temperature of waters, xiv, 299 Mediterranean Volcanic Belt, xiv, 316-17 Medium, technical meaning, iv, 382 Medulla, xi, 28, 29, 76 Medusae (jellyfish), xii, 36 Megabar, iv, 123 Megaphones, iv, 239-40 Megatheres, xii, 283 Melampus, xii, 68-9 Melancholia, of adolescence, x, 236-7 Melancholic Temperament, xi, 153, 205 Melanesia, xiv, 277 Melanesians, beards of, xv, 38; hair of, 38 Melting Point, iv, 153; chemical composition and, viii, 298-301; of various substances, iv, 161-2; pressure and, 153, 162, 163-6 Membranes, fluid equalization through, ix, 194, xiii, 90-1; vibrations of, iv, 101 Memory, xi, 208-17, ix; association of ideas in, 149-51; delayed nervous disturbances in, 141-2; of emotions, 154; hypnosis and, xi, 317-18; reason and, 243-4; right use, 378; seat of, in cerebrum, ix, 145, 146-7 Memory Colors, xi, 89, 220-1 Men, basal metabolism of, x, 271; brain in, xv, 39; color-blindness in, ix, 116, 340-1; hats of, x, 309; heart rate in, 334; height of, xv, 38; skull capacity, 40; susceptibility of, x, 240; voice vibration rates in, ix, 99 Mendel, Gregor, x, 231-2, 13, 333, xvi, 154; experiments on peas, ix, 328, 333-4 Mendel's Law, xiii, 333, xvi, 157 Mendeléeff, chemical work, xvi, 134, 163; classification of elements, viii, 177; prediction of elements, 180 Mendelian Theory, xvi, 156 Mental Activity, insomnia due to, ix, 219; seat of, 145-6; temperature effects, i, 323-4 Mental Fatigue, ix, 137-8, x, 247, xi, 269 Mental Healers, x, 242-3, 365 Mental Hygiene, xi, 368-82 Mental-Nerve Diseases, x, 353 Mental Processes, in brain, ix, 145, 147-54; similarity in all men, xvi, 42-3 Mental Tests, in diagnosis, x, 371; in vocational guidance, xi, 359-60