Accordingly, on the 18th October, an ultimatum was addressed by the plenipotentiaries to Prince Koung, requiring him to reply by the morning of the 20th, whether, after paying, as a necessary preliminary to further negotiations, a sum of money in atonement for the murders committed, he would on an early day sign the convention already agreed upon? His Excellency was told that the Summer Palace, which had been partially plundered before the fate of the prisoners was known, would now be entirely destroyed, that its ruins might present a lasting mark of the abhorrence of the British Government at the violation of the law of nations which had been committed. He was also told, that in case of refusal to comply with the demands now made, the Imperial Palace of Pekin would be captured, plundered and burned. In support of the ultimatum, the 1st Division of the British force, with cavalry, proceeded on the 18th and 19th to complete the plunder and destruction of the Summer Palace, whose smoke, driven by the northerly wind, hung over Pekin, whilst its ashes were wafted into the very streets of the capital. The French declined to take any part in this act of punishment--first, because they thought the palace had already been destroyed on their quitting it; and further, they feared that this demonstration would frighten the Chinese out of all hope of making any treaty at all. The result showed that not one-fourth of the Imperial pavilions which constitute the Summer Palace had been even visited in the first instance, much less burned; and great booty was acquired by the troops employed as well as by the members of the embassy, navy, and staff, who were able to accompany the force. And so salutary was the effect produced on the advisers of the Imperial crown, that a letter acceding to all demands was received at daylight on the 20th, to the renewed disappointment of the 2nd Division, who again were under arms for the assault. On the 22nd, the atonement-money, amounting to £100,000, was paid; and on the 24th, her Majesty’s Plenipotentiary, accompanied by the Commander-in-Chief, and escorted by a division of the army, entered in state and triumph the gates of the dim, mysterious city. The Ambassador was received by a deputation of Mandarins, who accompanied Lord Elgin to the hall, three miles distant, at the far side of the Tartar city, where the Prince Koung, surrounded by the principal officers of state, awaited his arrival.