A SCOUT TO RICHMOND DEVELOPS IMPORTANT INFORMATION—NO FORCE IN FRONT OF M'DOWELL TO PREVENT HIS COOPERATING WITH M'CLELLAN—THE SECRETARY OF WAR RESPONSIBLE FOR THE FAILURE OF THE PENINSULA CAMPAIGN—OUR SPY AS A WAR CORRESPONDENT ANTAGONIZES THE WAR DEPARTMENT BY CRITICISM IN THE PAPERS—IS ARRESTED ON A TECHNICALITY AND SENT A SPECIAL PRISONER TO OLD CAPITOL BY THE SECRETARY OF WAR'S ORDERS.OLD CAPITOL PRISON—BELLE BOYD, THE REBEL SPY, A COMPANION AND FRIEND—A DISGUISED ENGLISH DUKE—INTERESTING SCENES AND EXPERIENCES IN THIS FAMOUS STATE PRISON—PLANNING TO ESCAPE DISGUISED AS A CONTRABAND—RELEASED ON PAROLE BY ORDER OF THE SECRETARY OF WAR.CHAPTER XXVII.