...n motion in the neighbourhood of the Rappahannock and the Rapidan. It was a fearful crisis. The fate of Richmond hung upon the line held across the Peninsula, from Yorktown on the York River to Mulberry Island on James River, by Gen. Magruder with little more than ten thousand men. McClellan had three corps d'armee in the lines before Yorktown, and had in the field a force of nearly 90,000 infantry, 55 ba...