...so far as their main body is concerned, but the place is still held by them, and can be occupied by a large force at short notice. Capt. H. E. Davis, son of Judge Davis, Lt. Chas. H. Seaman and Dr. Martin , of Duryea's Regiment, yesterday entered the enemy's lines with a flag of truce and went to within half a mile of Yorktown. They saw a formidable battery at Great Bethel, but were not permitted to ...