...perhaps be improper to speak fully at this time. Yesterday signals were discerned and read at this station to a distance of forty miles in an air line, so pure was the atmospheric medium. Lieutenant W. W. Rowley , of the Twenty-eighth New York Volunteers, has been appointed Assistant Superintendent, and Lieut. F. R. Shattuck, of the Massachusetts Twelfth, Quartermaster of this division. Arrangements are now...