Yesterday evening until eleven o'clock--a late hour now for Paris;--the Boulevards were crowded. Although the news that Bourget had been retaken by the Prussians had been _affiche_ at the Mairies, those who asserted it were at first treated as friends of Prussia. Little by little the fact was admitted, and then, every one fell to denouncing the Government. To-day the official bulletin states that we retreated in good order, leaving "some" prisoners. From what I hear from officers who were engaged, the Mobiles fought well for some time, although their ammunition was so wet that they could only fire twelve shots with their cannon, and not one with their mitrailleuse. When they saw that they were likely to be surrounded, there was a stampede to Aubervilliers and to Drancy, the latter of which was subsequently evacuated. To-day we have two pieces of news--that M. Thiers entered Paris yesterday, and that Metz has fallen. The _Journal des Debats_ also publishes copious extracts from a file of provincial papers up to the 26th, which it has obtained. I hear that M. Thiers advises peace on any terms. The Government of Paris is in a difficult position. It has followed in the course of Palikao. By a long _suggestio falsi et suppressio veri_ it has led the population of this city to believe that the position of France has bettered itself every day that the siege has lasted. We have been told that Bazaine could hold out indefinitely, that vast armies were forming in the provinces, and would, before the middle of November, march to the relief of Paris; that the investing army was starving, and that it had been unable to place a single gun in position within the range of the forts; that we had ample provisions until the month of February, and that there would not be the slightest difficulty in introducing convoys. Anyone who ventured to question these facts was held up to public execration. General Trochu announced that he had a "plan," and that if only he were left to carry it out, it must result in success. All this time the General and the members of the Government, who were at loggerheads with each other, privately confessed to their friends that the situation was growing every day more critical.