HEADQUARTERS DEPARTMENT OF THE PACIFIC, April 4, 1862

San Francisco, Cal., April 4, 1862.

Adjutant-General THOMAS, Washington, D. C.: Your dispatch of the 25th ultimo received, and officers ordered East. I beg leave to respectfully recommend to the Honorable Secretary of War that Colonel Carleton be appointed brigadier. He has a large district, with thirty companies of troops, and intrusted with an important expedition. G. WRIGHT, Brigadier-General, U. S. Army, Commanding.