THE PENINSULAR CAMPAIGN BY GEN. G.B. McCLELLAN AND GEN. J.E. JOHNSTON.

General McClellan will contribute two papers, the first of a general nature on the Peninsular Campaign, and the second (to appear later) on the battle of Antietam, thus covering the period of his command of the Army of the Potomac. General Joseph E. Johnston, who commanded the entire Confederate forces opposed to McClellan in the Peninsular engagements until the battle of Seven Pines, when in consequence of a wound he was succeeded by General Lee, will cover, in his papers, the period from Manassas to Seven Pines, dealing with both battles, and with his relations and differences with the President of the Confederacy. The engagements at Gaines's Mill and Malvern Hill, in this campaign, will be described in papers by