Exercises to develop 'tactical principles,' 236; of larger formations than Brigades, 239; 'field-service' exercises, 240 _et seq._
Expediency, the highest ideal of strategy, 47
Extension of front when advisable, 107; in action when favourable, 240 _et seq._
Field-firing, increased importance of, 251; scheme for, 252
'Field-service' exercises, 218; nature of, 240; ground for, 239;
Cavalry acting independently, 240; Cavalry in combination with other Arms, 241; existing deficiencies in, 266
Fire action often imperative nowadays, 47; occasions when it will decide the day, 50; General Lee's capitulation, 51; South African War, 56; Franco-German War, 57
Firearms, increased range of, 36; better class of, needed by Cavalry, 58
Flank attack, when advisable, 78, 79; after victory, 83; during charge, 233
Flanks of enemy to be worked round to obtain information, 29
Forage, reserve of, 131; amount to be carried on horses, 169; author's experiment, 203
Force necessary to be employed in various circumstances, 36
Formation for attack, 36; change of, during action, 69; latitude to be allowed to Commander, 76, 77; merits of 'double column,' 80; 'mass' when suitable, 81; on battle-field, 85; of dismounted men in action, 96; in defence of villages, 96; in dismounted attack, 100; best, suitable for War, 226; to be avoided, 226; regimental column, 227
Frederick the Great on length of marches, 122
Front, extension and concentration of, 107
Frontal attack against Infantry and Artillery, 235
German Cavalry, numerically inadequate, 151; expedients for augmenting, 153; proposed territorial organization, 167
Gravelotte, example of faulty reconnaissance reports, 288
Ground, value of tactical advantage of, 78; acquisition of, for field-training, 239
Headquarters, reports to be sent to, from detachments, 111
Horses, demands on, 87; 'mobile' or 'immobile,' 91; position for led, 93 _et seq._; protection of, 95; rest for, 122; security of, during rest, 122, 124; bivouac on march, 122; on outpost, 123; importance of care bestowed on, 123, 127; excessive demands on, 128; shortage of, in Germany, 152; 'augmentation,' 155; 'untrained,' of small use, 158; increased demands on, 181; training of, 185 _et seq._; English thoroughbreds, 187; Prussian, 187; old, 194; food for, increase of, 203; endurance of, 202; feeding, author's experiment in, 203; galloping powers, 209; weight to be put on, 212