Gen. THOMAS, we learn, is concentrating his magnificent army at Eastport, in the northeastern corner of the State of Mississippi, near the point where the railroad to Mobile crosses the Memphis ...

WAR DEPARTMENT, WASHINGTON, Dec. 27 -- 10 P.M. Maj.-Gen. Dix, New-York: Dispatches from Gen. THOMAS represent him still in pursuit of HOOD'S broken and disorganized force: HEADQUARTERS ...