I find I was incorrect in the statement I gave you of the duel between Mr. Hesse and Count Leon. The particulars have come out more fully, and from the curious position of the parties (Mr. Hesse, as I stated, being the natural son of George the Fourth, and Count Leon of Napoleon) are worth recapitulating. Count Leon had lost several thousand francs to Mr. Hesse, which he refused to pay, alleging that there had been unfair dealing in the game. The matter was left to arbitration, and Mr. Hesse fully cleared of the charge. Leon still refused to pay, and for fifteen days practised with the pistol from morning till night. At the end of this time he paid the money, and challenged Hesse. The latter had lost the use of his right arm in the battle of Waterloo, (fighting of course against Count Leon's father), but accepted his challenge, and fired with his left hand. Hesse was shot through the body, and has since died, and Count Leon was not hurt. The affair has made a great sensation here, for Hesse had a young and lovely wife, only seventeen, and was unusually beloved and admired; while his opponent is a notorious gambler, and every way detested. People meet at the gaming-table here, however, as they meet in the street, without question of character. * * * * * Carnival is over. Yesterday was "_Mardi Gras_"--the last day of the reign of Folly. Paris has been like a city of grown-up children for a week. What with masking all night, supping, or breakfasting, (which you please), at sunrise, and going to bed between morning and noon, I feel that I have done my _devoir_ upon the experiment of French manners. It would be tedious, not to say improper, to describe all the absurdities I have seen and mingled in for the last fortnight; but I must try to give you some idea of the meaning the French attach to the season of carnival, and the manner in which it is celebrated.