Washington, Jont 2 A gentleman direct from the inmediato vieinity of Fairfax Court House, statcs that during last night word came into the camp of tho 28th New York Itgiement, that the two dragoons missing from Company IJ. which made the sally on Fairfax Court House on Satunlay morning were capturad by the rebel forcea, and were to be liangcd this morning. Company B. was immediatuly summoned from their quarters, and mounting, rode up to the Court House, and having by some rriGans ascertained the preciso location of thcir imprisoued comrades, made a dash through the village and recovered the two men, whom they brought back in triumph to the camp at daybreak. The Confedérate prisoners, from the Court House, have been brought hither; one of them a son of the late Major Washington, of tbc army. He said he tlid not want to fight against the United States, and made amends by taking the oath of allcgiance, Tho other four refused to subscribe to t and were detaincd.