...re in charge of the children of the vicinage, until McClellan thinks proper to let them come forth. The ladies return to the defence of their country. The National steamer Yankee ascended the Rappahannock River this day to Fredericksburgh, Va., having passed the obstructions placed in the river seven miles below the town in safety.--The Potomac flotilla captured seven rebel schooners--one with a valuable ca...