JULY 29, 1864-2.15 p.m.

Captain FISHER:

Within the last hour six wagons have passed, going to the right on road south of city and left of lead-works, and fifteen have passed the open space on red road in rear of Whitehead's Factory, going in the same direction. Three have passed the latter point, going in opposite direction.

CHAS. L. DAVIS,

Captain, &c.

HDQRS. ARMY OF THE POTOMAC, SIGNAL DEPARTMENT, July 29, 1864.

Major-General HUMPHREYS,
Chief of Staff:

GENERAL: The enemy's signal officer on north bank of the Appomattox, in various messages to Colonel Brent, assistant adjutant-general, reports that 400 wagons passed from the Prince George side across the pontoon bridge at Point of Rocks to-day. The enemy were working upon a new redoubt about a mile west of the Gregory chimneys during the day.

Very respectfully, your obedient servant,

B. F. FISHER,

Captain and Chief Signal Officer.

JORDAN'S HOUSE, July 29, 1864-6 p.m.

Captain FISHER:

[Intercepted dispatches:]

3.30 P. M.

Colonel BRENT,

Assistant Adjutant-General:

A train of sixty-seven wagons followed by a company of cavalry has just passed over pontoon. Can't see what direction they take after leaving bridge.

W. S. L.

(Same to A. B.)

4 P. M.

Colonel BRENT,

Assistant Adjutant-General:

Wagons are still passing over pontoon, coming from Prince George; 110 have passed since last report.

W. S. L.

(Same to A. B.)

5 P. M.

Colonel BRENT,

Assistant Adjutant-General:

Wagons are still passing over pontoon coming from Prince George; 400 have already passed. The are apparently taking road to Bermuda Hundred.

W. S. L.

(Same to A. B.)

No unusual movements in enemy's lines to-day.

T. R. CLARK,

Captain and Signal Officer.