Captains.

Charles H. J. Hamlin. First lieutenant and quartermaster, First Rhode Island Light Artillery, Oct. 3, 1861; promoted to captain, Battery H, May 16, 1862; never mustered; resigned, Sept. 27, 1862.

Jeffrey Hazard. Mustered Oct. 14, 1862; second lieutenant, Battery A, First Rhode Island Light Artillery, Oct. 5, 1861; promoted to first lieutenant and regimental adjutant; captain, Battery H, Oct. 1, 1862; resigned, Aug. 17, 1863.

Crawford Allen, Jr. Mustered Oct. 1, 1863; second lieutenant, Battery G, First Rhode Island Light Artillery, Nov. 7, 1861; first lieutenant, Nov. 18, 1862; wounded May 3, 1863, at Fredericksburg; appointed regimental adjutant; acting adjutant-general, Artillery Brigade, Sixth Corps; captain, Battery H, Sept. 30, 1863; brevet major, April 2, 1865, for gallant and meritorious service before Petersburg, Va.; brevet lieutenant-colonel, June 12, 1865; mustered out of service June 28, 1865.