...f Government Wagons Captured by the Rebels.--A friend writes us from Grafton that on last Sunday night, at half-past 11 o'clock, twenty armed Secesh attacked a train of twelve wagons at Jacksonville, Lewis county, Va. , fifty miles from Weston. They fired at the drivers, wounding four, one or two severely, but killed none. They captured the wagons and all the horses but three. Capt. Rowland's cavalry company, s...