 The forward march movement into Virginia, indicated in my despatches last night, took place at the precise time this morning that I named, but in much more imposing and powerful numbers.About ten o'clock last night four companies of picked men moved over the Long Bridge, as an advance guard.They were sent to reconnoitre, and if assailed were ordered to signal, when they would have been reinforced by a corps of regular infantry and a battery...

At twelve o'clock the infantry regiment, artillery and cavalry corps began to muster and assume marching order.