... --The following named officers have been appointed to regulate and fix the number and calibre of the cannon to be mounted in casemates and barbette at each of the permanent fortifications of the United States , and also the number and description of guns to compose the field pieces: Brig. Gen. Totten, of the Corps of Engineers; Brig. Gen. Ripley, of the Ordnance Department; Brig. Gen. Barry, of the U. S. v...