* Died in office, April 4, 1841, when Vice President Tyler succeeded him, + Died in office, July 9, 1850, when Vice President Fillmore succeeded him. Assassinated, April 14, 1865, when Vice President Johnson succeeded him. Ex-officio as President pro tem. of Senate.

EDWARD D. TOWNSEND........Brigadier General and Brevet Major General.

JOSEPH HOLT..

JUDGE ADVOCATE GENERAL.

...Brigadier General and Brevet Major General.

QUARTERMASTER GENERAL.

MONTGOMERY C. MEIGS........ Brigadier General and Brevet Major General.

COMMISSARY GENERAL OF SUBSISTENCE.

AMOS B. EATON...

JOSEPH K. BARNES..

BENJAMIN W. BRICE...

A. A. HUMPHREYS.

..Brigadier General and Brevet Major General.

SURGEON GENERAL.

..Brigadier General and Brevet Major General.

PAYMASTER GENERAL.

..Brigadier General and Brevet Major General.

CHIEF ENGINEER.

.Brigadier General and Brevet Major General.

CHIEF OF ORDNANCE.

ALEXANDER B. DYER..........Brigadier General and Brevet Major General.

CHIEF SIGNAL OFFICER.

ALBERT J. MYER...

...Colonel and Brevet Brigadier General.