Enemy claims to have ambuscaded a brigade of Sheridan's cavalry at Swift Run Gap and destroyed them. No official confirmation. But little said of yesterday's fight. I will bring in the paper. Expect to leave here at 5 p. m. Early was to attack Sheridan on 28th at Mount Sidney.

O. E. BABCOCK,

Lieutenant-Colonel and Aide-de-Camp.

HEADQUARTERS FIFTH ARMY CORPS,
September 30, 1864.

Major-General WARREN:

GENERAL: General Meade has ordered a regiment, 900 strong, to report here for our corps by special train. I learned this a short time since.

Very respectfully,

FRED. T. LOCKE,

Assistant Adjutant-General.

FIFTH ARMY CORPS SIGNAL STATION,

September 30, 1864-1.15 p. m.

Colonel LOCKE:

The enemy have reformed their skirmish line. It now runs almost due south and west and is south of the W. Davis house. A line of cavalry vedettes has formed in front of the infantry here.

Respectfully,

GEO. J. CLARKE.

FIFTH ARMY CORPS SIGNAL STATION,

September 30, 1864.

Colonel LOCKE:

Can see enemy's cavalry on the Squirrel Level road. They have put a light brass gun in position and have a squadron of cavalry supporting it in the road. The enemy's infantry picket-line in front of the W. Davis house are going to the right. The gun above-mentioned has limbered up and moved to the right.

Respectfully,

GEO. J. CLARKE,

Signal Officer.