...tional flag had been hoisted by the Union troops, and a few minutes later the enemy had set on fire the works at Redstone, and the steamer Curlew. Both blew up in the early part of the evening, and Roanoke Island was then in the undisputed possession of the National troops. Pork Point batteries, known to the Confederates as Fort Bartow, was found to be a heptagon, mounting eight 32-pounders and one 68-pou...