From Port Royal

New York, Dec. 17, A private letter from Beaufort says thiit tho utono flout whicii ittiled Irom Savannah for Churleston, in company with a man of-war i hip, was to bo RUOk in Charleston harbur Sutinclay last. Tj'beo Island is occupied by one tboaeaod men, who nre t thmw up batteriês to uso agaiust Fort Puluski, if neuiissary. The sloop of-war tíavannah, hikI 3 or 4 gun-boats were oft Tybee Island. The steamor Baltic, wiih 1,000 troop, left Port Boyal for Fcrnandina, with the Bienville, and annthor gun bost. Tho ioriification there onotuoto hf a batterj of 5 ffú.na, rnunned Dy 200 or 300 men. It i.thnught it ''ill f:ill into our hunds aftel' a briof tniggle.