I. THE BUCHANAN ADMINISTRATION. (1857-1861.)
President: JAMES BUCHANAN (Pa.)
Vice-President: JOHN C. BRECKINRIDGE* (Ky.0
Secretary of State: LEWIS CASS (Mich); JEREMIAH S.
BLACK (Pa.), appointed Dec. 17, 1860.
Secretary of War: JOHN B. FLOYD* (Va.): JOSEPH HOLT (Ky.) (ad interim), Dec. 31, 1860; regularly appointed Jan. 18, 1861.
Secretary of the Navy: ISSAC TOUCEY (Conn.)
Secretary of the Treasury: HOWELL COBB* (Georgia): PHILIP F. THOMAS (Md.), appointed Dec. 12, 1860; JOHN A. DIX (N. Y.), appointed Jan. 11, 1861.
Attorney-General: JEREMIAH S. BLACK; EDWIN M. STANTON (Pa.), appointed Dec. 20, 1860.
Secretary of the Interior: JACOB THOMPSON* (Miss.)
Postmaster-General: ARRON V. BROWN (Tenn.), died Mar. 8, 1859; JOSEPH HOTL (Ky.), appointed Mar. 14, 1859; HORATIO KING (Maine), appointed Feb. 12, 1861.

II. THE LINCOLN ADMINISTRATION. (1861-1865.)
President: ABRAHAM LINCOLN (ILL.)
Vice-President: HANNIBAL HAMLIN (Maine).
Secretary of State: WILLIAM H. SEWARD (New York).
Secretary of War: SIMON CAMERON (Pa.); EDWIN M. STANTON (Pa.), appointed Jan. 15, 1862.
Secretary of the Navy: GIDEON WELLES (Conn.)
Secretary of the Treasury: SALMON P. CHASE (Ohio); W. P. FESSENDEN (Maine), appointed July 1, 1864; HUGH McCULLOCH (Ind.), appointed March 7, 1865.
Secretary of the Interior: CALEB B. SMITH (Ind.); JOHN P. USHER (Ind.), appointed January 8, 1863.
Attorney-General: EDWARD BATES (Mo.); JAMES SPEED (Ky.), appointed Dec. 2, 1864.
Postmaster-General: MONTGOMERY BLAIR (Md.); WILLIAM DENNISON (Ohio), appointed September 24, 1864.

THE UNITED STATES WAR DEPARTMENT.
Secretary of War: JOSEPH HOLT (appointed Jan. 18, 1861); SIMON CAMERON (appointed March 5, 1861); EDWIN M. STANTON (appointed January 15, 1862).
Assistant Secretaries of War: THOMAS A. SCOTT (appointed Aug. 3, 1861: PETER H. WATSON (appointed Jan. 24, 1862); JOHN TUCKER (appointed Jan. 29, 1862); CHRISTOPHER P. WOLCOTT (appointed June 12, 1862; resigned Jan. 23, 1863); CHARLES A. DANA (appointed August, 1863.) (Colonel Scott war regularly commissioned under the act of August 3, 1861, authorizing the appointment of one assistant secretary of war. Subsequently three assistant secretaries were authorized by law.)
Adjutant-General's Department: Colonel SAMUEL COOPER* (resigned March 7, 1861); Brig.-General LORENZO THOMAS (assigned to other duty March 23, 1863); Colonel EDWARD D. TOWNSEND.
Quartermaster's Department: Brig.-Gen. JOSEPH E. JOHNSTON* (resigned April 22, 1861); Brig.-Gen. MONTGOMERY C. MEIGS.
Subsistence Department: Colonel GEORGE GIBSON (died Sept. 29, 1861); Brig.-Gen. JOSEPH P. TAYLOR (died Jan. 29, 1864); Brig.-Gen. AMOS B. EATON.
Medical Department: Colonel THOMAS LAWSON (died May 15, 1861); Colonel CLEMENT A. FINELY (retired April 14, 1862); Brig.-Gen. WILLIAM A. HAMMOND; Brig.-Gen. JOSEPH K. BARNES (appointed Aug. 22, 1864).
Pay Department: Colonel BENJAMIN F. LARNED (died Sept. 6, 1862); Colonel TIMOTHY P. ANDERSON (retired Nov. 29, 1864); Brig.-Gen. BENJAMIN W. BRICE.
Corps of Topographical Engineers: Colonel JOHN J. ALBERT (retired Sept. 9, 1861); Colonel STEPHENS H. LONG (This corps was consolidated with the "Corps of Engineers," under act of March 3, 1863.)
Corps of Engineers: Brig.-Gen. JOSEPH G. TOTTEN (die April 22, 1864); Brig.-Gen. RICHARD DELAFIED.
Ordnance Department: Colonel HENRY K. CRAIG (until April 23, 1861); Brig.-Gen. JAMES W. RIPLEY (retired Sept. 15, 1863); Brig.-Gen. GEORGE D. RAMSAY (retired Sept. 12, 1864); Brig.-Gen. ALEXANDRIA B. DYER.
Bureau of Military Justice: Major JOHN F. LEE (resigned Sept. 4, 18620; Brig.-Gen. JOSEPH HOLT.
Bureau of the Provost Marshal General (created by act of March 3, 1863); Brig.-Gen. JAMES B. FRY.
General Officers of the United States Army, January 1, 1861; Brevet Lieut.-Gen. WINFIELD SCOTT (General-in-chief); Brig.-Generals: JOHN E. WOOL, DAVID E. TWIGGS,* WILLIAM S. HARNEY. (NOTE.-E. V. Summer was promoted Brigadier-General March 16, 1861, vice David E. Twiggs, dismissed March 1, 1861.)

THE UNITED STATES NAVY DEPARTMENT.
Secretary of the Navy: GIDEON WELLES.
Assistant Secretary: GUSTAVUS V. FOX.
Yards and Docks: Rear-Admiral JOSEPH SMITH.
Ordnance and Hydrography: Captain GEORGE A. MAGRUDER (dismissed April 22, 1861); Captain ANDREW A. HARWOOD (relieved July 22, 1862); Rear-Admiral JOHN A. DAHLGREN (relieved June 24, 1863); Commander HENRY A. WISE. (By act of Congress of July 5, 1862,) "Hydrography" was transferred to the Bureau of Navigation.)
Navigation (reestablished by act of July 5, 1862): Read-Admiral CHARLES H. DAVIS.
Equipment and Recruiting (established by act of July 5, 1862); Rear-Admiral ANDREW H. FOOTE (relieved June 3, 1863); Commander ALBERT N. SMITH.
Construction, Equipment, and Repair: Chief Naval Constructor JOHN LENTHALL. (By act of July 5, 1862, the "Equipment and Recruiting" Bureau was organized, and thereafter the old bureau was designated as "Construction and Repair.")
Provisions and Clothing: Pay-Director HORATIO BRIDGE.
Medicine and Surgery: Surgeon WILLIAM WHELAN.
Steam-Engineering (established by act of July 5, 1862): Engineer-in-Chief BENJAMIN F. INSHEWROOD.

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*Afterward in the Confederate service.
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