HEADQUARTERS ARMY OF THE POTOMAC, June 15, 1864.

Major-General HUMPHREYS,
Chief of Staff:

GENERAL: The following report from plank road signal station:

Several trains have been seen on Weldon railroad near the lead-works this a.m. None have passed south of that point for several days. (They may pass during the night.) Noticed two companies of infantry on drill about half a mile south of leadworks near railroad. Several wagons passed both to right and left on road near railroad. No movement of troops.

J. B. DUFF.

Very respectfully, your obedient servant,

B. F. FISHER,

Captain and Chief Signal Officer.

HEADQUARTERS ARMY OF THE POTOMAC, July 15, 1864.

Major-General HUMPHREYS,
Chief of Staff:

GENERAL: The following received from station north of City Point railroad:

Smoke of an engine passing in toward Richmond railroad seen at 3.30 a.m. A heavy cloud of dust extending for half a mile from the back of the city toward our left, seen for fifteen minutes just before noon; occasional horseman and footmen could be seen, but nothing further to indicate what the movement was. The enemy opened from twelve guns on the plateau, over the river this a.m.

The following rebel message 7.30 a.m.:

"No movements of troops discovered."

"12 m.

"General PENDLETON,

Colonel, JONES,&c.:

"The enemy are massing a large force of infantry in rear of Hare's house and near Battery 9. They seem to come from our right and their rear.

"A. S. CUTTS,

"Colonel."

Your obedient servant,

B. F. FISHER,

Captain and Chief Signal Officer.

HEADQUARTERS ARMY OF THE POTOMAC, July 15, 1864.

Major-General HUMPHREYS,
Chief of Staff:

GENERAL: The following message intercepted at rebel station:

Colonel POAGUE:

It is reported by Colonel Cutts that the enemy are massing large forces of infantry in rear of Hare's house and Battery No. 1.

R. F. HOKE,

Major-General.

Very respectfully, your obedient servant,

B. F. FISHER,

Captain and Chief Signal Officer.