JONES, Roger, soldier, born in Washington, D. C., 25 February, 1831. He is a son of General Roger Jones (vol. iii., p. 470). He was graduated at the United States military academy in 1851, served on the Texas frontier and in New Mexico, and at the beginning of the civil war was on duty at Harper's Ferry, where he destroyed the arsenal with 20,000 stand of arms, when it was seized by Virginia state troops on 18 April, 1861--for which act, done in the face of the enemy, he received the thanks of the government. He was appointed captain and assistant quartermaster on 22 April, and as such served in the office of the quartermaster-general of the Army of the Potomac, and on 12 November was made a major on the staff and assigned to special duty as assistant inspector-general. He was attached to General John Pope's staff for two months in 1862, when he was relieved, and was awaiting orders and on miscellaneous duty till December, 1865. From 1866 till 1876 he served as. inspector-general of the Division of the Pacific. He was promoted lieutenant-colonel on 13 June, 1867, assigned to duty in the inspector-general's office at Washington on 15 January, 1877, became a colonel on 5 February, 1885, afterward acted as inspector-general of the Division of the Atlantic on Governor's island, and in August, 1888, was made brigadier-general and inspector-general of the army.