dnance, Feb. 26, 1853.
Resigned, Nov. 17, 1856.
Colonel, staff, Insp. General, District of Columbia Volunteers, Jan. 1, 1861.
In command of District of Columbia Volunteers, Apr. 16 to July 23, 1861; engaged in guarding the Baltimore and Ohio Railroad and outposts of Washington, D. C., Apr., 1861, in the capture of Alexandria, Va., May 24, 1861.
Colonel, 14th U. S. Infantry, May 14, 1861. Brig. General, U. S. Volunteers, May 17, 1861.
On Rockville expedition, June 10, 1861; skirmishes at Conrad's and Edward's Ferry, Md., June, 1861; skirmishes at Harper's Ferry, July 7, 1861, and in Maj. General Patterson's operations in the Shenandoah Valley, commanding brigade, July 8-23, 1861.
In command of special corps of observation on the upper Potomac, Aug. 10, 1861, to Feb. 9, 1862.
Prisoner at Fort Lafayette and Fort Hamilton, N. Y., where he was incarcerated, Feb. 9, 1862, without charges being preferred against him and held till Aug. 16, 1862, when he was released from arrest.