HEADQUARTERS ARMY OF THE POTOMAC, October 15, 1863-7 a. m.

Commanding Officer First Corps:

I presume you have an advance force on the pike where it crosses Cub Run. A division was ordered to be sent by you to Bull Run Bridge, but subsequently Cub Run Bridge was substituted for it.

Very respectfully, &c.,
A. A. HUMPHREYS,

Major-General, and Chief of Staff.

HEADQUARTERS ARMY OF THE POTOMAC, October 15, 1863-7 a. m.

Commanding Officer Third Corps:

The major-general commanding directs that you move your corps immediately to Union Mills, so as to hold that position and send a

division to Fairfax Station to cover and hold that point.

Very respectfully, &c.,

A. A. HUMPHREYS,

Major-General, and Chief of Staff.

HEADQUARTERS ARMY OF THE POTOMAC, October 15, 1863-7 a. m.

Commanding Officer Fifth Corps:

The major-general commanding directs that you move your corps to Fairfax Court-House, and hold the roads leading to that point. The most important point in that locality is marked Germantown on the map, where three or four roads unite. General Sedgwick holds the Little River turnpike near Chantilly. French will be at Union Mills, with a division at Fairfax Station.

Very respectfully, &c.,
A. A. HUMPHREYS,

Major-General, and Chief of Staff.

HEADQUARTERS ARMY OF THE POTOMAC, October 15, 1863-7 a. m.

Commanding Officer Sixth Corps:

The major-general commanding directs that you concentrate your corps on teh Little River turnpike, in the vicinity of the cross-roads at Sandes' toll-gate, so as to prevent the approach of the enemy in that direction.

Very respectfully, &c.,

A. A. HUMPHREYS,

Major-General, and Chief of Staff.

HEADQUARTERS ARMY OF THE POTOMAC, October 15, 1863-7. 15 a. m.

Commanding Officer Second Corps:

The major-general commanding directs that you place your corps on teh left of General Newton's, so as to hold the heights and Mitchell's and Blackburn's Fords. General French is ordered to