A BOARD TO REVISE THE REGULATIONS OF THE FREEDMEN'S BUREAU--The commissioner of the freedmen's bureau has appointed the following named officers a board for the purpose of revising the regulations governing the bureau, to meet the requirements of the recent act of Congress extending the duration of the bureau two years: Brevet Major General David Tillson, assistant commissioner for the State of Georgia, president; Brigadier General E. M. Gregory, late assistant commissioner for the State of Texas; Brevet Major General J. M. Sprague, assisstant commissioner for the States of Missouri, Arkansas, and the Indian Territory; Chaplain M. French, and Capt. J. M. DeForrest, of the Veteran Reserve Corps, secretary.