L.Gimber 111th Pennsylvania, Lieut.-Colonel Thomas M.Walker, Lieut.- Colonel Frank J.Osgood _Third Brigade_ .-- Brigadier-General GEORGE S.GREENE 60th New York, Colonel Abel Godard 78th New York, Lieut.-Colonel Herbert Von Hammerstein 102d New York, Lieut.-Colonel James C.Lane (wounded) 137th New York, Colonel David Ireland 149th New York, Colonel Henry A.Barnum, Lieut.-Colonel Charles B.Randall _Artillery Brigade_ .-- Lieutenant EDWARD D.MUHLENBERG Battery F, 4th United States, Lieutenant E.D.Muhlenberg, Lieutenant S.T.

Rugg Battery K, 5th United States, Lieutenant D.H.

Kinsie Battery M, 1st New York, Lieutenant Charles E.Winegar Knap's Pennsylvania Battery, Lieutenant Charles Atwell _Headquarter Guard_ .-- Battalion 10th Maine.
CAVALRY CORPS.
MAJOR-GENERAL ALFRED PLEASONTON FIRST DIVISION.
BRIGADIER-GENERAL JOHN BUFORD _First Brigade_ .-- Colonel WILLIAM GAMBLE 8th New York, Colonel Benjamin F.Davis 8th Illinois, Colonel William Gamble, Lieut.-Colonel D.R.
Clendenin two squadrons 12th Illinois, Colonel Amos Vos three squadrons 3d Indiana, Colonel George H.Chapman _Second Brigade_ .-- Colonel THOMAS C.DEVIN 6th New York, Colonel Thomas C.Devin, Lieut.-Colonel William H.Crocker 9th New York, Colonel William Sackett 17th Pennsylvania, Colonel J.H.Kellogg 3d Virginia (detachment) _Reserve Brigade_ .-- Brigadier-General WESLEY MERRITT 1st United States, Captain R.S.

C.Lord 2d United States, Captain T.F.Rodenbough 5th United States, Captain J.W.

Mason 6th United States, Major S.H.Starr (wounded), Captain G.
C.Cram 6th Pennsylvania, Major James H.Hazeltine SECOND DIVISION.
BRIGADIER-GENERAL D.McM.