further Regulations required, 146;
limitations of, 148;
to be attached to Cavalry, 178

Deception of enemy, means towards, 119

Defects in horses, correction of, 199

Defence of villages, 97

Defensive duties at commencement of War, 26;
combat, 92;
'immobile' detachments during, 92;
action, breaking off a, 94;
action, duties of dismounted men during, 259

Despatch riders, 138, 145

Detachments, economy in use of, 38;
reports from, to Headquarters, 111;
outflanking, during attack, 232

Direction, change of, during action, 117

Dismounted action, increased importance of, 49;
when desirable in attack, 49;
when inevitable, 50;
Sheridan's Cavalry in, 51;
during rearguard actions, 52;
during general engagements, 55;
examples of Fredericksburg and Five Forks, 55;
in South African War, 56;
Franco-German War, 57;
'mobile' and 'immobile' horses, 91;
in defensive combat, 92, 93;
tactical distribution of men in, 96;
'Wing' or 'Line' systems, 96;
in defence of villages, 97 _et seq._;
in attack, 99;
training for, 247;
importance of, not sufficiently appreciated, 248 _et seq._;
not to be confined to the defensive, 249;
recruits' course, 250;
Regulations as to, require expansion, 257 _et seq._;
as important as fighting in the saddle, 262

Dispersion of troops for raids, 35;
for screening and security, 106, 109

Divisional Cavalry defined, 38;
duties of, 39;
apportionment of, 41;
as little as possible should be retained for Infantry Divisions, 42;
reconnaissance duties of, 141;
security duties of, 144

Divisions of Cavalry, maintenance of, during peace, 161;
present strength insufficient, 165;
permanent creation of, not advisable, 167

'Double-column' formation, when recommended, 80, 229

'Drei Treffen Taktik,' 73

'Dressur' detachment, 190

Drill, shortening of season for, 198;
importance of Squadron and Regimental, 214 _et seq._;
merits of Brigade and Divisional, 215 _et seq._;
ceremonial to be separated from practical, 237;
Brigade, the highest unit for formal, 238

Education, military, for man and horse, 186;
tactical, for troops generally, 213 _et seq._;
of recruits, 272;
of non-commissioned ranks, 275;
higher, of officers, 286 _et seq._

Efficiency of troops essential to goo