Confederate Army, The, eludes ours, _note_, 32; and invades Pennsylvania, 23; its strength, 24; its composition, _note_, 32; points of superiority, 24, 25; its _personnel_, 26, 27; at Chambersburg, 26, 27; moves to York and Carlisle, 28; its spirit, 29; moves to concentrate, 52; its advance upon Gettysburg is disputed, 62; finally defeats the forces opposed to it, 69, _et seq._; losses, _note_, 80; all but one division up night of July 1, 91; how formed, _note_, 110; the attack on Sickles, 115; Sickles defeated, 123; Longstreet's losses, 125; Cemetery Ridge reached by Hill's troops, 125; Ewell gains a foothold at Culp's Hill, 126; advantage to the Confederates, 127; position at close of the day, _note_, 131; Ewell expelled from Culp's Hill, 136; cannonades Union position, 137; final attack repulsed, 141, _et seq._; evacuates Gettysburg, 150; getting ready to retreat, 150; retreat effected, 157; losses, _note_, 159. Culp's Hill, its relation to Cemetery Hill, 19; occupied by Union troops, 84; made secure, 87; enemy gain a lodgment at, 126; retaken, 136. Cumberland Valley, route of Lee's invasion, 23; exodus from, 34. Curtin, A. G., his efforts to meet the invasion, 36. DEVIL'S DDEN, The, situation of, 20; surroundings, _note_, 22; struggle for its possession, 115, 116, 117; in the enemy's hands, _note_, 131. EARLY'S (J. E.) operations around York, 28; as a blind, _note_, 33; recalled to Gettysburg, 52; his arrival decides the day, 73, 76; assaults Cemetery Hill, July 2, 128; but is forced out, 129. Emmettsburg Road, described, 21; picketed by Union troops, 88; its relation to the hostile armies, 99; becomes a point of direction for Longstreet's attack, 114. Ewell's Confederate corps at Chambersburg, 26; moves on to Carlisle and York, 28; moves to Gettysburg and decides the first of July, 69, _et seq.;_ but hesitates to attack Cemetery Hill, 81. FREDERICK, Md., becomes the pivot for the Union army, 40. GETTYSBURG, described, 10, 11; its strategic value, 13, 14, 15, _et seq._; its topography, 15, 16, _et seq._; Cemetery Ridge, 16; Seminary Ridge, 17; commanding points, 19, 20; Cemetery Ridge as a defensive line, 20; _notes_ 1, 2, and 3, p. 21; memorials of battle, _note_, 21; first appearance of Confederates in, 28; and _note_, 33; Lee's whole army marching to, 52; Union forces approaching, 55; how and where the battle began, see Chap. V., p. 60; in first day's conflict, 60, _et seq._; occupied by Ewell, 78; evacuated, 150. Great Round Top, how situated, 19. HANCOCK, Winfield S., organizing victory from defeat, 81, 82, 83; orders Culp's Hill occupied, 84; his report to Meade, 85; _note_, 95; sends Geary's division to Little Round Top, 88.