Müller, Johann (1801-58), x, 117-18; pupils of, 118, 127, 128, 131 Müller, Johann, ii, 13 (see Regiomontanus) Multiple Proportions, law of, viii, 110 Multiplex Telegraphy, vi, 87, vii, 112-18, 373 Mummies, Egyptian, linen wrappings of, xv, 243; scars of tuberculosis in, x, 290; wheat grains found with, ix, 17, xiii, 211 Muriatic Acid, viii, 87 Murrayville Well, iii, 355 Muscle-and-Joint Sense, ix, 80, 90-1, 153 Muscle Cells, ix, 74-5; action of, 78-9; fatigue in, 81; number unchanging, 48, 348 Muscles, action of, ix, 77-9; action in posture, 83-4; adrenalin effects, 171, xi, 273; at birth, ix, 348; blood supply, how controlled, 216-17, 220; blood supply in emotion, xi, 136-7; cell constitution of, ix, 22 (See Muscle Cells); communication with sense organs, 19-20, 122, 124, 137, 139, 140; connection with nervous system, 124-37, xi, 19, 20, 24; control of, by brain, ix, 139-40, 141, 147, 148 (fig.); cramps in, 313; development and overdevelopment, x, 304; development in embryo, xi, 34, 35; efficiency of, ix, 296; energy release and restoration, xi, 24-5; exercise effects, x, 270, 303; fatigue in, 247, xi, 271, 273-4, ix, 79-81, 83-4; fear and anger effects on, 166-7, xi, 132, 133; flexibility and tensions, effects, 337, 339-40, 371, 372, 374; flexion strength, 41-2; flexors and extensors, 54, 166, 262-3, ix, 76-7; force of, 75; functions in kinetic system, xi, 60; fundamental purposes of, ix, 86; injuries to tissues, 287, 348; irritability of, x, 87; mechanical action of, 71-2; kinaesthetic sensations from, xi, 123-8; kinds of, ix, 74-5; metabolism of, measurement in calories, 296, 297; motion sense in, 90-1; origin from coelom, xii, 27; pain in relation to, xi, 118-21; range of effort, ix, 79; reciprocal innervation, xi, 86; responses (see Motor Response); response to contact & distance sensations, ix, 95, 121, 140; soreness of, 80-1; strength and capacity, on what dependent, 75-6, 79; structure, 75; thickness and length, 75-6; uses, different kinds of, 82-4; wasted in starvation, 297-8 (see also Heart Muscle, Skeletal Muscles, Smooth Muscles) Muscle (Muscular) Senses, ix, 90-1, xi, 63, 64; in infants, ix, 350; organs of, 125 Muscular Motion, electricity from, vi, 16-17, 63-4 Mushrooms, character of, xiii, 43, 70; origin, 223; reproductive processes, 163-5 Music, fatigue diminished by, x, 247; Hawaiian, xv, 315; light transformed to, v, 332-5; pitch modulations in, iv, 209; primitive, xv, 312-15 Musical Chords, xi, 106-8 Musical Insects, xii, 109-10 Musical Instruments, development of, xv, 315-18, 325; quality differences, iv, 233; reed mouthpieces, 234-5; stringed, 222-4; wind, 231 Musical Scale, iv, 206-9, xi, 105-6; tones in Indian, xv, 314