REPORTING TO THE SECRETARY OF WAR, AT WASHINGTON—ORDERED ON ANOTHER SCOUT TO VIRGINIA—IN PATTERSON'S ARMY, IN VIRGINIA, BEFORE THE BATTLE OF BULL RUN.A NIGHT'S SCOUT IN JOHNSTON'S ARMY—REBEL SIGNALS—VISITORS FROM THE UNION ARMY HEADQUARTERS REPORT TO REBEL HEADQUARTERS—GENERAL J. E. JOHNSTON'S ESCAPE TO BEAUREGARD REPORTED TO GENERAL PATTERSON—FITZ-JOHN PORTER RESPONSIBLE FOR THE FIRST BATTLE OF BULL RUN, AS HE WAS CASHIERED FOR THAT OF THE SECOND BULL RUN—AN IMPORTANT CONTRIBUTION TO THE WAR HISTORY OF THE TIME—THE STORY SINCE CONFIRMED BY THE "CENTURY" HISTORIANS OF LINCOLN, SECRETARIES NICOLAY AND HAY.CHAPTER VIII.