III. —THE PENINSULA. By Alexander S. Webb, LL D ,President of the College of the City of New York; AssistantChief of Artillery, Army of the Potomac, 1861-62 ; InspectorGeneral Fifth Army Corps; General commanding 2d Div.,2d Corps; Major General Assigned, and Chief of Staff, Armyof the Potomac.

The history of McC'ellan’s Peninsula Campaign, from his appointment to theend of the Seven Days’ Fight.

IV.—THE ARMY UNDER POPE. By John C. Ropes ,Esq., of the Military Historical Society of Massachusetts, theMassachusetts Historical Society , etc.

From the appointment of Pope to command the Army of Virginia, to the appoint-ment of McClellan to the general command in September, 1862.

V.—THE ANTIETAM AND FREDERICKSBURG. ByFrancis Winthrop Palfrey , Bvt. Brigadier Gen’l, U.S.V.,and formerly Colonel 20th Mass. Infantry; Lieut . Col. of the20th Massachusetts at the battle of the Antietam; Member ofMilitary Historical Society of Massachusetts, of the Massachu­ setts Historical Society , etc.

From the appointment of McClellan to the general command, Sept. 1862, to theend of the battle of Fredericksburg .

VI.—CHANCELLORSVILLE AND GETTYSBURG. ByAbner Doubleday , Bvt. Maj. Gen’l, U.S.A. , and Maj.Gen’l, U. S.V. ; commanding the First Corps at Gettysburg ,etc.

From the appointment of Hooker, through the campaigns of Chancellorsville andGettysburg , to the retreat of Lee after the latter battle.

VII.—THE ARMY OF THE CUMBERLAND. By HenryM. Cist, Brevet Brig. Gen’l U.S.V.; A.A.G. on the staff ofMajor Gen’l Rosecrans, and afterwards on that of Major Gen’lThomas; Corresponding Secretary of the Society of the Armyof the Cumberland.

From the formation of the Army of the Cumberland to the end of the battles atChattanooga , November, 1863.