...federate cavalry was badly broken up, the main portion of it being driven in a rout toward Ashland and a small part in the direction of Richmond, which latter force finally rejoined Fitzhugh Lee near Mechanicsville . A reconnoitring party being now sent up the Brook turnpike toward the city, dashed across the South Fork of the Chickahominy, drove a small force from the enemy's exterior intrenchments and went w...