Sumner, August 3, 1861

No. 139. } San Francisco, August 3, 1861.

1. Capt. Frederick Myers, assistant quartermaster, will relieve Capt. Ralph W. Kirkham, assistant quartermaster, at Fort Walla Walla, and Captain Kirkham will assume the duties of chief commissary at these headquarters, relieving Captain Drum, assistant adjutant-general.

3. The commanding officer at Alcatraz Island will have in readiness and turn over to the commanding officer of Benicia Arsenal, when called for, 10,000 stand of muskets, without equipments.

6. Capt. Winfield S. Hancock, assistant quartermaster, will be relieved without delay from duty at Los Angeles by an officer to be designated by the commanding officer at Camp Fitzgerald. He will then immediately repair to these headquarters and report for duty in connection with the movement of volunteers upon the Overland Mail Route.

By order of Brigadier-General Sumner: