Telegram To General G. B. Mcclellan.

War Department, Washington City, D. C., May 29, 1862. 10.30 A.M.

MAJOR-GENERAL McCLELLAN:

I think we shall be able within three days to tell you certainly whether any considerable force of the enemy—Jackson or any one else—is moving on to Harper's Ferry or vicinity. Take this expected development into your calculations.

A. LINCOLN.