The invasion of Maryland and Pennsylvania continues to be the absorbing subject of the day. The announcement made yesterday that the Confederates had crossed the Potomac into Maryland in strong force, is confirmed. It appears from advices received yesterday that a formidable body of infantry, artillery and cavalry was near Middletown, apparently advancing on Frederick city, only twelve miles distant. Last night, however, official information was received at military headquarters, to the effect that the Confederates had fallen back to the South Mountain. Nothing further was ascertained as to their movements. Dispatches from Harrisburg report much excitement there, under the impression that the Confederates were advancing on that city.—They were reported to be within twelve miles of Carlisle. We learn from Westminster and Gettysburg that no Confederates had made their appearance in the vicinity of those places yesterday morning.
The latest despatches from the Cumberland Valley state that the Confederates were rapidly advancing towards Harrisburg. General Knipe was there in command of the forces that had fallen back from Chambersburg.
Alexandria Gazette, Alexandria, VA
