HENRY, William Seaton, soldier, born in Albany, New York, in 1816; died in New York city, 5 March, 1851. His father was a lawyer in Albany. The son was graduated at the United States military academy in 1835, assigned to the 3d infantry, and served on the frontier in the Florida war of 1841-'2, and in the war with Mexico. He became 1st lieutenant, 7 July, 1838, captain, 18 May, 1846, and was brevetted major, 23 September, 1846, for gallantry at Monterey. He was afterward on garrison and recruiting service till his death. Major Henry published "Campaign Sketches of the War with Mexico" (New York, 1848).--His son, Guy Vernor, soldier, born in Fort Smith, Indian territory, 9 March, 1839, was graduated at the United States military academy in 1861, and assigned to the 1st artillery. He was promoted to 1st lieutenant on 14 May, was on General McDowell's staff at the battle of Bull Run, and was brevetted captain, 22 October, 1862, for gallantry in an action near Pocotaligo river, South Carolina He commanded a battalion in Hunter's advance on Charles-toil in 1863, was acting chief of artillery of the Department of the South in June of that year, and was made colonel of the 40th Massachusetts regiment on 9 November He commanded a brigade in the Army of the James in 1864-'5, and received the brevets of lieutenant-colonel, 29 September, 1864, and brigadier-general of volunteers, 30 June, 1864, for his services before Petersburg. After the war he became captain in the 1st artillery, 1 December, 1865, and has since served chiefly on the frontier against hostile Indians. He suffered severely from frostbites in the Black Hills expedition, and was wounded in the battle of Rose Bud Creek, Montana, with Sitting Bull, 17 June, 1876, losing the use of one eye. On 26 June, 1881, he was promoted to major in the 9th cavalry, and is now (1887) stationed at Omaha, Nebraska He has published "Military Record of Civilian Appointments in the United States Army" (2 vols., New York, 1865-'71); "Army Catechism for Non-commissioned Officers and Soldiers" (Salt Lake City, 1881); and "Manual on Target Practice" (Fort Leavenworth, Kansas, 1884)