STAFF.
Major-Gen. Daniel Butterfield, Chief of Staff; Brig.-Gen. M. R. Patrick, Provost Marshal-General; Brig.-Gen. Seth Williams, Adjutant-General; Brig.-Gen. Edmund Shriver, Inspector-General; Brig.-Gen. Rufus Ingalls, Q. M. General; Brig.-Gen. Gouverneur K. Warren, Chief of Engineers; Brig.-Gen. Henry J. Hunt, Chief of Artillery; Col. Henry F. Clarke, Chief Commissary; Major John Letterman, Chief of Medical Department; Major D. W. Flagler, Chief Ordnance Officer; Capt. L. B. Norton, Chief Signal Officer.
FIRST ARMY CORPS.
Major-Gen. John F. Reynolds.
First Division.—Brig.-Gen. James S. Wadsworth. First Brigade: Brig.-Gen. Solomon Meredith; Second Brigade: Brig.-Gen. Lysander Cutler.
Second Division.—Brig.-Gen. John C. Robinson. First Brigade: Brig.-Gen. Gabriel R. Paul; Second Brigade: Brig.-Gen. Henry Baxter.
Third Division.—Maj.-Gen. Abner Doubleday. First Brigade: Brig.-Gen. Thos. A. Rowley; Second Brigade: Col. Roy Stone; Third Brigade: Brig.-Gen. Geo. J. Stannard; Artillery Brigade: Col. Chas. S. Wainwright.
SECOND ARMY CORPS.
Major-Gen. Winfield S. Hancock.