Patrols, causes of possible danger in the future, 10; breaking up of enemy's communications by officers, 22; must ascertain changes in enemy's initial dispositions, 25; must protect frontier districts from raids, 25; must avoid becoming desperately involved, 26; superiority in individual patroller essential, 31; defeat of enemy's, necessary, 31; 'reconnoitring' distinct from 'security' patrols, 133; strength of, 136; duties of commander, 136; transmission of despatches by, 138; must report to Headquarters as well as through ordinary channel, 140; 'tactical,' 143; 'security,' 143; screening by, 144; Regulations need amendment, 145; training for scouting basis of all reconnaissance instruction, 269; suggestion as to instruction, 270 Place on battle-field of Cavalry, 84, 85 Prague, Battle of, 83 'Principles,' tactical, of Cavalry opposed to Cavalry, 231; of Cavalry opposed to Infantry and Artillery, 234 Prisoners, value of capturing, during enemy's mobilization, 24 Protection of main force, steps required differ from those for obtaining information, 29; opposite views held, 29 Pursuit of beaten enemy imperative, 84; methods of, 51; dismounted action during, 51; Waterloo, 52; wars of 1866 and 1870, 84; duties during, 88; to be practised on a grand scale, 283 Quick-firing guns, employment of 180 Raids, value of, on outbreak of War, 20; to exploit enemy's resources, 34; indispensable element in future, 34; depend on rapidity and surprise, 34; and on concentration of force at night-time, 35; dispersion during, 35 Rapidity essential in raids, 34; and in dismounted attack, 99 Rations, emergency, for horses, 174; author's experiment with forage, 203 _et seq._ Rearguard actions, to be practised on a grand scale, 283 Reconnaissance by independent bodies of Cavalry necessary, 7; rendered more difficult by range of modern firearms, 10; and by smokeless powder, 10; value of intensified, 12; must be a separate service from screening, 31; an exception to this, 41; advantage of defeating enemy's reconnoitrers, 31; under fire very difficult to effect, 39; on the battle-field, 66; cavalry leader must organize his own, 120; training for scouting the basis of instruction in, 269; knowledge of principles of 'higher strategy' essential, 288 Reconnoitring patrols, 134 _et seq._ Recruits, training of, 188 _et seq._, 273. See also 'Training' Regiment, the fundamental tactical unit, 228 Regimental call, value of, 230 _et seq._ 'Regimental column' formation, 227; merits of double, 229