As the Imperial guard retired in the greatest disorder, its retreat caused a panic throughout the French army.—The Prussians being relieved from the pressure of the enemy’s right _en potence_, their operations begin to take effect.—Wellington observing the state of things, determines to attack, and orders the advance of his whole line.—His Grace in front, hat high in air.—Vivian’s hussars get a message from the Duke; they form line, attack and drive off the enemy.—Colonel Murray’s dangerous leap.—Vandeleur’s brigade advanced.—Major Howard killed.—General Cambronne made prisoner.—Adam’s brigade attacks and drives off the rallied force of the Imperial guard.—Lord Uxbridge wounded; sir J. O. Vandeleur commands the cavalry.—Sir Colin Campbell begs the Duke not to remain under the heavy fire.—Adam’s brigade menaced by cuirassiers.—His Grace with but one attendant.—Adam’s brigade falls upon a broken column of the enemy.—Singular encounter and act of bravery.—Repugnance to the shedding of human blood unnecessarily.—Battery and prisoners captured.—Adam’s brigade in the line of fire of a Prussian battery.—The 71st capture a battery.—Prussian dispositions to attack Plancenoit and the French right.—Operations of the allies during this period.—Plancenoit the scene of a dreadful struggle.—Bravery of the young guard, who save their eagle.—Humane conduct of their general Pelet.—Napoleon in a square, much pressed.—Wellington and his advanced troops at Rossomme, where the pursuit is relinquished by us, and continued by the Prussians, who, busy in the work of death, press on and capture sixty guns.—On returning towards Waterloo, the Duke meets Blücher, who promises to keep the enemy moving.—His Grace is silent, sombre, and dejected for the loss of his friends.—Bivac.—Observations. 123 CHAPTER IX. Morning after the battle.—Extraordinary and distressing appearance of the field.—Solicitude for the wounded.—The Duke goes back to Brussels to consult the authorities and soothe the extreme excitement.—Humane conduct of all classes towards the wounded.—The allied army proceeds to Nivelles; joined by our detached force.—His Grace issues a general order.—Overtakes the army. On the 21st we cross the frontier into France.—Proclamation to the French people.—Napoleon abdicates in favour of his son.—Cambray and Péronne taken.—Narrow escape of the Duke.—Grouchy retreats upon Paris, closely pursued by the Prussians.—The British and Prussian armies arrive before Paris.—Combat of Issy.—Military convention.—The allies enter the capital on the 7th of July.—Louis XVIII enters next day.—Napoleon surrenders at sea, July 15th.—He is exiled to St.-Helena, where he dies in 1821.—Reflections. 137 CHAPTER X.