Telegram To General G. B. Mcclellan.

Washington, August 29, 1862. 4.10 P.M.

MAJOR-GENERAL McCLELLAN: Yours of to-day just received. I think your first alternative—to wit, "to concentrate all our available forces to open communication with Pope"—is the right one, but I wish not to control. That I now leave to General Halleck, aided by your counsels.

A. LINCOLN.