An accident occurred on the Fredericksburg Railroad {Richmond, Fredericksburg & Potomac RR}, near the Junction, on Monday evening, which resulted in the death of a negro man belonging to Mr. W. N. Bragg, Superintendent of the road. He was riding on a train which was in motion, and, from some cause not understood, fell off and across the track, and the train passed over him. He had been a train hand on the road for some twelve years.