55 (a)

Drill regulations furnished as guide, providing principles
for training, etc. 53

Drill regulations, interpretation of 53

Drowning 1493

Drum major at battalion inspection 650

Dugouts, trenches 1156

Dummy trenches 1163

Duties of infantry, many and difficult 366

Duties of officers and noncommissioned officers in battle 389

Duty roster 890

E

Earache 1494

Ear, foreign body in 1495

Echelon definition 49

Effect of fire 1410

Effect of heat, light, etc. 1397-1403

Effectiveness of fire 1416

Effective range 275

Efficiency dependent upon thorough and uniform training 51

Elastic formations essential to correct battle training 52

Electric shock 1496

Element, definition 32

Elevation, change of 92

Encroachment upon functions of subordinates 396

Endurance, limit of, exacted 380

Enemy--imaginary outlined and represented 56; 370

Entrenching at night 1099

ENVELOPING ATTACK:
Advantages 459; 461
Resulting in local frontal attack 461
To be started at considerable distance from enemy 462

Envelopment of both flanks, when allowable 460

EQUIPMENT:
Carried into action 382
Display for inspection 682

EQUIPMENT, CARE OF:
Cloth equipment:
General