GENERAL ORDERS, No. 21. HEADQUARTERS OF THE ARMY, Adjutant General's Office, Washington, February 26, 1862- The following Act and Resolution of Congress are published for the information of the Army: I-.AN ACT making appropriations for the signal service of the United States Army. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That officers temporarily serving as signal officers shall receive, for the time Aey are so serving, the pay and emoluments of cavalry officers of their respective grades. Sec. 2. And he it further enacted, That the following sums he, and they are hereby, appropriated out of any money in the Treasury not otherwise appropriated, viz: For the manufacture or purchase of signal equipments and signal stores, to equip and supply the forces now in the field, twenty thou- sand dollars; For contingent expenses of the signal department, one thousand dollars; For the manufacture or purchase of signal equipments and signal stores, for countersign signals, to prevent the collision of friendly regiments, thirty-four thousand nine hundred and fifty dollars. Approved February 22. 1862. II..A RESOLUTION tendering the thanks of Congress to the officers, soldiers, and seamen of the Army and Navy for their gallantry in the recent brilliant victories over the enemies of the Union and the Constitution. Resolved by the Senate and House of Representatives of the United States of America in Congress assembled, That the thanks of Congress are due and are hereby tendered to the officers, soldiers, and seamen 2 of the Army and Navy of the United States, for the heroic gallantry that, under the providence of Almighty God, has won the recent series of brilliant victories over the enemies of the Union and the Constitution. Approved February 22, 1862. By command of Major General McClellan : L. THOMAS, Adjutant General. Official: Assistant Adjutant General.