JONES, Roger, soldier, born in Westmoreland county, Virginia, in 1789; died in Washington, D. C., 15 July, 1852. He was appointed 2d lieutenant of marines on 29 January, 1809, and on 12 July, 1812, was transferred to the artillery, with the rank of captain. He received the brevet of major for services in the battles of Chippewa and Lundy's Lane, and lieutenant-colonel for gallantry in the sortie from Fort Erie. On 10 August, 1818, he was appointed adjutant-general, with the rank of colonel, and on 17 September, 1824, was brevetted colonel. On 7 March, 1825, he was appointed adjutant-general of the army, which post he held till his death. He was brevetted brigadier-general in June, 1832, and major-general in May, 1848.--His brother, Thomas ap Catesby, naval officer, born in Virginia in 1789; died in Georgetown, D. C., 30 May, 1858, entered the navy on 22 November, 1805, and became lieutenant, 24 May, 1812, commander, 28 March, 1820, and cap-rain, 11 March, 1829. From 1808 till 1812 he was engaged in the Gulf of Mexico, where he was successful in suppressing piracy, smuggling, and the slave-trade. When the British naval expedition against New Orleans entered Lake Borgne in 1814, he endeavored to intercept forty British boats with his small flotilla. Although wounded and compelled to surrender, his conduct was much praised. He commanded the Pacific squadron in 1842, and took possession of Monterey on receiving the erroneous information that war existed between the United States and Mexico, for which he was temporarily suspended from the service.