is moving on to Harper's Ferry of vicinity. Take this expected development into your calculations.

A. LINCOLN.

WASHINGTON CITY, May 29, 1862 - 6.30 p. m.

Major-General McCLELLAN:

One of the New York regiments just arrived at Baltimore, being poorly armed and never drilled, I have directed General Dix to retain it and send forward to you one of his well-drilled regiments.

EDWIN M. STANTON,

Secretary of War.

McCLELLAN'S HEADQUARTERS, May 29, 1862.

Honorable E. M. STANTON,

Secretary of War:

The railroad bridge burned this morning across the South Anna River was on the Richmond and Fredericksburg Railroad. The bridge across the same stream, on the Virginia Central Railroad, was burned yesterday. The bridges over the South Anna River upon both railroads from Saxton's Station are now destroyed.

R. B. MARCY,

Chief of Staff.

McCLELLAN'S, May 29, 1862 - 11.30 p. m.

Honorable E. M. STANTON,

Secretary of War:

The bridge destroyed by General Porter's troops, and mentioned in General Marcy's dispatch, was on the Richmond and Aquia Creek Railroad over the South Anna, and 500 feet in length. Later to-day another bridge on same railroad near Ashland, 200 feet long, has been totally destroyed by our cavalry.

GEO. B. McCLELLAN,

Major-General.

SPECIAL ORDERS,
WAR DEPARTMENT, ADJT. General 'S OFFICE,

No. 120. Washington, May 29, 1862.

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4. Brigadier General John C. Caldwell, U. S. Volunteers, is assigned to duty in the Army of the Potomac, and will report to Major-General McClellan.

* * * * * * * *

By order of the Secretary of War:

L. THOMAS,

Adjutant-General.