Inactivity in field, evil results of.

Indiana Troops,
6th, 7th, 8th, 9th, 10th, 11th, 13th, 14th, and 15th Infantry;
33rd Infantry;
51st Infantry;
63rd Infantry;
65th Infantry;
70th Infantry;
23d Cavalry

Information of enemy's strength, how gained.

Inspector General, important duties of.

Intemperance in army officers, evils of.

Interference with lines of march of other columns condemned;
illustrations.

Irvine, James, colonel 16th Ohio,
fails to intercept remnant of Garnett's force.

Irwin, Wm. H., colonel 49th Pennsylvania,
commanding brigade at Antietam.

Jackson, Thos. J. ("Stonewall"),
defeated at Kernstown;
defeats Milroy at McDowell;
Banks in Shenandoah valley;
captures Manassas Junction, burns Bull Run bridge;
at Antietam.

Jackson, Wm. H., brigadier general Confederate States Army,
commanding division in Forrest's cavalry