HEADQUARTERS OF THE ARMY, July 21, 1861-9 p. m.
Besides three regiments sent you by General Runyon from the reserve, four regiments have crossed the river to-day. Two of the latter we know have reach Fairfax Station. The other two must be there in a few minutes. We suppose you to have rallied your army at Centreville, or, at the worst, you will rally at Fairfax Court-House and Fairfax Station. We know that you and you experienced officers will do all that is proper and possible. A company of regulars has also gone over. Additional re-enforcements shall follow early to-morrow. We are not discouraged.
FAIRFAX, July 21, 1861.
I have learned from my scouts that large trees are felled across the turnpike on road from here to Alexandria. Things are looking ugly here.
FAIRFAX COURT-HOUSE, July 21, 1861-9.10 p. m.
Colonel E. D. TOWNSEND:
We are reliably informed that the enemy's cavalry will attack us on the left to-night.
D. A. WOODBURY,
Colonel, Commanding [Fourth Michigan Infantry].
FAIRFAX STATION, July 21, 1861-11.5.
Orders have arrived that no more regiments are to come here from Alexandria to-night.
I have placed myself in best position. Have removed obstructions of slide from railroad track.
I have no communication from General McDowell.
I am guarding the roads lest a surprise.
Colonel Woodsbury telegraphed me that he expects an attack from cavalry . What shall I do?
Thirty-Seventh New York Volunteers.
WASHINGTON, July 21, 1861-11.45 p. m.
General McDowell is at Fairfax Court-House, where he will try to make a stand. Communicate whit him there, and also let Colonel Woodbury know.