Reorganized at St. Louis August 23 to September 20, 1861. Attached to District of St. Louis to October 1861. 4th Division, Army of the Southwest, to May 1862. 2nd Division, Army of the Mississippi, to June 1862. 5th Division, Army of the Mississippi, to August.

SERVICE.--Campaign in Missouri October, 1861, to February, 1862. Guard railroad beyond Rolla, Mo., till May, 1862. Ordered to Pittsburg Landing, Tenn., May 6. Siege of Corinth, Miss., May 22-30. Duty at Corinth Miss., until August. Ordered to St. Louis, Mo., August 12, 1862. Mustered out September 3, 1862.
Regiment lost during service 1 Enlisted man killed and 9 Enlisted men by disease.