HEADQUARTERS DEPARTMENT OF THE PACIFIC, September 6, 1861

San Francisco, Oal., September 6, 1861.

Governor J. G. DOWNEY, Sacramento City, Cal.: The appointment of Maj. A. J. Smith, of the First Dragoons, as colonel of cavalry would be mnch the bestone for the service. Lieutenant

Kellogg is not a cavalry officer; he would make an excellent lieutenantcolonel of infantry. The other two appointments I should be well satisfied with. E. V. SUMNER, Brigadier-General, U. S. Army, Commanding.