...red by the Army of the Potomac lying along the Rapidan, was in the possession of the enemy. Along the seacoast footholds had been obtained at Plymouth, Washington, and New Berne, in North Carolina; Beaufort , Folly, and Morris Islands, Hilton Head, Fort Pulaski, and Port Royal, in South Carolina; Fernandina and Saint Augustine, in Florida. Key West and Pensacola were also in our possession, while all t...