Finger, use of, for judging lateral distance, 92 Finger-breadth method of describing targets, 122 Fire, accuracy of, practices in, 187-190, 219, 232 ---- action, organization for, 106-110, 224 ---- and movement, 114, 186, 191, 219, 224 ---- collective. See Collective fire ---- concentrated, 115, 154, 223, 229 ---- control, 105-134, 212, 223 ---- ---- practices in, 188, 226 ---- converging, xxiii, 115 ---- covering, xxiii, 116, 223 ---- direction, 105-134, 212 ---- ---- practices, 154, 179, 220, 226-227 ---- discipline, 130-134, 212 ---- dispersion of, 31-36 ---- distributed, 36, 115, 154, 223 ---- ---- practices in, 227, 229 ---- effect of, at various ranges, on various formations and objectives, 111, 112 ---- ---- relation of ground to, 38-42 ---- effective, xxiii, 35, 36, 110 ---- enfilade, xxiii, 115 ---- grazing, xxiii, 41, 42 ---- individual, 29-31 ---- oblique, xxiv, 115 ---- observation of. See Observation of fire ---- opening of, 113, 114, 153, 222 ---- ---- ---- practices in, 185, 189, 216, 217, 228 ---- orders, 127-130, 188 ---- rapid, 117, 118, 150 ---- ---- practice in, 187-189, 219, 227, 228 ---- rates of, 117 ---- searching, xxiv, 35-38, 115 ---- short bursts of, 118 ---- superiority of, xxvi, 113, 189 ---- sweeping, 115 ---- tactical application of, 112-119, 228 ---- theory of rifle, 18-42 ---- trenches, xi ---- unaimed, xxiv, 41, 42 ---- unit commander, duties of, 109, 212 ---- ---- composition of, xxiv, 108 ---- unsteady, 119 ---- volume of, 117 Firing, aiming and, instruction, 43-46, 72 ---- elementary, instruction in, 62-80 ---- from cover, 73-77, 161, 210 ---- positions, 66-69 ---- ---- adapted to cover, 75, 76 ---- ---- height of cover for different, 68, 74 ---- ---- vulnerability of different, 66, 67, 209 ---- rapid, instruction in, 150 ---- ---- practices in, 187-189, 227, 228, 232 ---- up and down hill, 26, 27 Flare lights, 193 Foreground, illumination of, x ---- range sketch of, 101 Foresight, use of, in aiming, 50, 51 Formations, effect of fire on various, 111 Fouling, cause and removal of, 3 Frontages and objectives, allocation of, 107 Gauze, use of, for cleaning, 5, 6 German musketry, vii ---- night attacks, ix ---- plan of attack, viii Grenade, hand, 194-200 Ground, aiming at, 53, 54 ---- dead, 42 ---- firing at, practice in, 218 ---- relation of, to dangerous space, 26 ---- ---- ---- to fire effect, 38-42 ---- study of, instruction in, 86, 88, 211 Group of shots, 31, 146, 147 ---- ---- ---- rules for measuring, 140, 160, 247 Grouping and application, 146-150 ---- practices, 146, 159, 160, 180, 213, 231 Gun-flash, range finding by, 98 Hand grenades, 194-200 Harmonizing rifles, 244, 245 Illumination grenade, x ---- of foreground, x Indication of targets, 123-126