toward the latter place. Cavalry and wagon train passing. A large camp, with wagons parked, in neighborhood of Jefferson.

An officer reports the column to have been moving for an hour and a half.

Respectfully,

JOHN S. CLARK,

Colonel, Aide-de-Camp.

NEAR WATERLOO BRIDGE, August 25, 1862-9.30 a.m.

Major-General BANKS:

GENERAL: Four six-gun batteries have passed within the last hour, a few ambulances, one train of six wagons, and well-closed columns of infantry; a signal station near line of march.

Our point of observation 1 mile east of Waterloo Bridge; the column, passing at a point 5 miles southwest, are moving rapidly. Six or eight regiments, with colors flying, have passed within last half hour.

Respectfully,

JOHN S. CLAR,

Colonel, Aide-de-Camp.

NEAR WATERLOO BRIDGE, August 25, 1862-10.30 a.m.

Major-General BANKS:

GENERAL: Have discovered their train passing north in vicinity of Flint Hill; infantry in rear. Their column is now in view at five different points between Flint Hill and Jefferson, a distance of 15 miles. Column been moving since daylight, composed principally of infantry and artillery. Comparatively few wagons or ambulances. Column appears well closed up and colors flying.

Eleven a.m. counted thirty-five wagons, five batteries, a regiment of cavalry, and thirteen regiments of infantry pass one point within an hour and a half.

Made the above observations about 8 a.m, personally with signal corps telescopes. Could easily distinguish the cavalry, infantry, and artillery.

Respectfully,

JOHN S. CLARK,

Colonel, Aide-de-Camp.

WATERY MOUNT, August 25, 1862-8.45 a.m.

General McDOWELL:

Long lines of enemy's infantry are moving toward Sulphur Springs from a town southwest of Sulphur Springs. These trains are concentrated at town, extending westward.

TAYLOR,

Lieutenant, Acting Signal Officer.