...wn of Fernandina, Fla., surrendered to-day to the United States forces under command of Commodore S. F. Du Pont and Brig.-Gen. H. G. Wright. The expedition for its reduction sailed from Port Royal, S. C. , on the twenty-seventh of February, and after some delays, owing to the difficult and narrow channels, and frequent reconnoissances, the harbor was entered to-day by the United States steamer Ottawa,...