SHERMAN'S MARCH NORTH—SHERIDAN ORDERED TO LYNCHBURG—CANBY ORDERED TO MOVE AGAINST MOBILE—MOVEMENTS OF SCHOFIELD AND THOMAS—CAPTURE OF COLUMBIA, SOUTH CAROLINA—SHERMAN IN THE CAROLINAS.ARRIVAL OF THE PEACE COMMISSIONERS—LINCOLN AND THE PEACE COMMISSIONERS—AN ANECDOTE OF LINCOLN—THE WINTER BEFORE PETERSBURG—SHERIDAN DESTROYS THE RAILROAD—GORDON CARRIES THE PICKET LINE—PARKE RECAPTURES THE LINE—THE LINE OF BATTLE OF WHITE OAK ROAD.CHAPTER LXIII.