HDQRS. ARMY OF THE POTOMAC, SIGNAL DEPARTMENT, July 30, 1864.

Major-General HUMPHREYS,
Chief of Staff:

GENERAL: The following dispatch from the plank road signal station is respectfully forwarded:

But very few of the enemy's tents remain between plank road and lead-works. Their camps directly in front of station west of plank road were broken up this p. m., and the troops deployed along the line farther to the right (their right.) At 3 p.m. a four-gun battery of 32-pounders came out from Petersburg and went into position at a point due north from station, almost two miles distant.

J. B. DUFF,

Signal Officer.

Very respectfully, your obedient servant,

B. F. FISHER,

Captain and Chief Signal Officer.

CIRCULAR.] HEADQUARTERS ARMY OF THE POTOMAC, July 30, 1864.

For the present corps commanders will report daily the condition of their respective commands, the number of days' subsistence and forage on hand, and the deficiencies on their supplies, together with the measures taken to procure the articles required, and the probable time that will elapse before they can be obtained.

By command of Major-General Meade:

S. WILLIAMS,

Assistant Adjutant-General.

HEADQUARTERS ARMY OF THE POTOMAC,
July 30, 1864 - 4.50 a. m.

Major-General HANCOCK,

Commanding Second Corps:

The commanding general wishes you to be about the headquarters of the Eighteenth Corps so that he can communicate with you at any time.

A. A. HUMPHREYS,

Major-General and Chief of Staff.

HEADQUARTERS EIGHTEENTH ARMY CORPS,
July 30, 1864. (Received 5.05 a. m.)

Major-General HUMPHREYS:

General Hancock has not arrived at the headquarters of the Eighteenth Corps.

F. A. WALKER,

Assistant Adjutant-General.

HEADQUARTERS ARMY OF THE POTOMAC, July 30, 1864 - 6 a. m.

Major-General HANCOCK,

Commanding Second Corps:

The major-general commanding directs me to say that General Burnside reports the enemy's line in his front abandoned, and the prisoners