defence for the rebel "army of the Mississippi." the command of which their crack Beauregard has recently assumed.
Beauregard's department is understood to extend at least as far east as Decatur, Alabama, and Westward as far as may be necessary for the defence of Memphis.
He is known to have been making his headquarters last week at Corinth — within ten or fifteen miles of our picket lines and during a portion of the week it is also certain that he had around him at the same point Generals Polk Johnston, Pillow, Cheatham, Freeman, and Wright.
Our line on the other hand, for the present, is imply the Tennessee river, from Smithland, Kentucky to Eastport, Mississippi.--There have been numerous ineffectual attempts to oppose our free passage along the river, but the two wooden gunboats, the Lexington and A. O. Taylor, have served an admirable purpose as a roving police, preventing the erection of batteries, and silencing the only one that had been completed — that at Pittsburg Lan