OFFICERS OF COMPANY I CAPTAIN. ROLLIN M. PRATT, Valparaiso; commission dated August 5, 1862; mustered August i6, 1862; resigned October 19, 1862. ROBERT W. G~HAM, Valparaiso; October 20, 1862; October 20, 1862; promoted Lieutenant-Colonel. EMANUEL M. WILLIAMSON, Valparaiso; February 13, 1863; February i6, 1863; discharged by order of the Secretary of War, February 15, 1864. WILLIAM C. EATON, Valparaiso; March I, 1864; June 7, 1864; mustered out with regiment. FIRST LIEUTENANT. ROBERT W. GRAHAM, Valparaiso; August 5, 1862; August i6, 1862; promoted Captain. EMANUEL M. WILLIAMSON, Valparaiso; October 20, 1862; October 20, 1862; promoted Captain. WILLIAM C. EATON, Valparaiso; February 13, 1863; February i6, 1863; promoted Captain. ADOLPHUS H. BOOHER, Valparaiso; March I, 1864; mustered out as 2d Lieutenant with regiment. SECOND LIEUTENANT. EMANUEL M. WILLIAMSON, Valparaiso; August 5, 1862; August i6, 1862; promoted 1st Lieutenant. WILLIAM C. EATON, Valparaiso; October 20, 1862; November 2, 1862; promoted 1st Lieutenant. ADOLPH us H. BOOHER, Valparaiso; February 13, 1863; April 10, 1863; promoted 1st Lieutenapt. CHARLES S. ARNOLD, Valparaiso; March I, 1864; Sep-tember I, 1864; mustered out and honorably discharged as supernumerary.