I

Illumination of foreground of trenches [1170]

Imaginary enemy, definition [56]; [370]

Improvised formations for advancing [257]

Incinerators, camp [1247]

"Incline to the right (left)" [67]

INCREASING INTERVALS:
Company[247]
Squad[172]

INDIVIDUAL COOKING:
Fire, how to make[1257]
Importance[1256]
Recipes[1258]–1275

Individual intelligence, factor in warfare [924]

INFANTRY:
Against artillery:
Action against artillery limbering or coming into action[600]
Action against guns out of ammunition[599]
Flank attack[598]
Frontal attack usually futile[597]
Machine guns[597]
Wheel horses best targets[600]
Against Cavalry:
Cavalry charge against infantry usually futile[591]
Infantry attacking dismounted cavalry[596]
Measures to check charges from front and flanks[592]
Meeting of cavalry charge by infantry in column[595]
Rifle fire main dependence of infantry[594]
Standing position, best to meet charge[593]
Demands upon it by modern combat[365]
Duties many and difficult[366]
Good Infantry can defeat superior troops of poor quality[368]
Modern war requires good infantry[366]
Moving to attack, passing through deployed artillery[470]
Requisites of good infantry[368]
Trained to bear heaviest burdens[368]

Infantry Drill Regulations [24]

Influence of ground [1420]

Initial combat order [394]

Initiative in warfare [923]

Initiative of subordinates not to be hampered [384]; [385]; [386]

Ink stains, how removed [1286]

"In place halt" [63]

INSPECTION:
Band[650]; [653]
Battalion[650]; [654]
Company[646]–649
Display of equipment[682]
Equipment[648]
Of pieces when troop are formed and when dismissed[121 (Second)]
Pistol[646]
Prepare for[646]; [649]–651; [653]
Quarters[647]; [654]
Saber[646]; [680]
Seniority at[630]; [650]

Inspection and port arms when dismissing squad [147]

Inspection arms from order [145]

Inspection arms, Krag rifle [698]

Inspections, object of [885]

INSTRUCTION:
Captain's responsibility for[202]
Commanding officers accountable for[51]
In use of signals[81]
Of battalion, major responsible for[295]
Of recruits[97]–98 (a); [120]
Without arms[98 (a)]

Instruction given subordinates through immediate superiors [397]

Instruction. See "[Training and instruction]"

Integrity of squads in battle [151]

Intelligence, factor in warfare [924]

Interest in training and instruction [922]

Intermingling of units in firing line [389]

Interpretations of Drill Regulations, spirit to govern [53]

INTERVAL:
Action of guides in taking[213]
Battalion in deployment[454]; [465]
Between companies in deployment[354]; [447]
Between files obtained by placing hands on hip[70]
Between platoon columns[252]
Between regiments in deployment[454]
Between skirmishers[171]
Definition[40]
Increasing or decreasing between skirmishers[172]; [247]
Of file closers in column of squads[221]
Plates showing intervals:
Battalionnear, [300]
Companynear, [207]
To take[156]

Intrenching tools, care [1312]

INTRENCHMENTS:
Construction in action[475]
Order of importance of operations in construction[606]
Intrenchments. See "[Field Fortifications]"

Introduction [50]–79; [364]–371

Inundations, trenches [1186]

Invisibility best protection while advancing [468]