MURFREESBOROUGH, January 13, 1863.

General HARLAN, Nashville:

Send three of your regiments to General Stanley, with three days' rations. Proceed with the other two regiments to La Vergne. Take post there.

By order of Major-General Rosecrans:

C. R. THOMPSON,

Captain and Aide-de-Camp.

MURFREESBOROUGH, January 13, 1863.

Brigadier-General MITCHELL, Nashville:

Your dispatch received. If Stanley and Harlan can deal with that cavalry, I will order Wagner to return by La Vergne. Harland will return to La Vergne as soon as the work they are after is accomplished. Order them to get all the horses and mules they can find.

W. S. ROSECRANS,

Major-General.

NASHVILLE, January 13, 1863.

Major GODDARD:

Stanley sends word from 12 miles on Hardin pike, at 2.30 p. m.; thinks that rebel cavalry have gone to the river. I shall send Harlan's brigade to-night on Charlotte pike.

ROBT. B. MITCHELL,

Brigadier-General.

NASHVILLE, January 13, 1863.

Major GODDARD, Chief of Staff:

Stanley reports, 5.30 p. m., on Charlotte pike, main body of enemy going on direct road to Charlotte. They are 15 miles ahead of him. Asks instructions how far shall he pursue them.

ROBT. B. MITCHELL,

Brigadier-General.

MURFREESBOROUGH, January 13, 1863.

Brigadier-General MITCHELL, Nashville:

Let the two forces combine and pitch into them, if they can, with all fury. They may whip the life out of them.

W. S. ROSECRANS,

Major-General.

MURFREESBOROUGH, January 13, 1863.

Brigadier-General MITCHELL,

Commanding Post:

Dispatch received. Notify commander at Fort Henry of movement of rebels.

By order:

C. GODDARD,

Assistant Adjutant-General and Chief of Staff.