THE MILITARY SITUATION—THE GREAT UPRISING—POSITIONS AND NUMBERS OF THE UNION AND REBEL ARMIES—JOHNSTON EVACUATES HARPER'S FERRY, AND RETREATS UPON WINCHESTER—PATTERSON'S EXTRAORDINARY CONDUCT—HE DISOBEYS GENERAL SCOTT'S ORDERS TO "ATTACK AND WHIP THE ENEMY"—JOHNSTON CONSEQUENTLY FREE TO REINFORCE BEAUREGARD AT MANASSAS—FITZ JOHN PORTER'S ACCOUNTABILITY FOR THE DISASTROUS CONSEQUENCES—MCDOWELL'S ADVANCE UPON BEAUREGARD—PRELIMINARY BATTLE AT BLACKBURN'S FORD—JUNCTION OF JOHNSTON WITH BEAUREGARD—REBEL PLANS OF ADVANCE AND ATTACK—CHANGE IN MCDOWELL'S PLANS—GREAT PITCHED-BATTLE OF BULL RUN, OR MANASSAS, INCLUDING THE SECOND BATTLE AT BLACKBURN'S FORD—VICTORY, AT FIRST, WITH MCDOWELL—THE CHECK—THE LEISURELY RETREAT—THE PANIC AT, AND NEAR, THE NATIONAL CAPITAL—THE WAR FULLY INAUGURATED