Private letters from St. Petersburg of the 8th instant state,
that the Emperor of Russia has signified his intention of setting out to join the army as soon as the weather sluill permit. It is feared, however, from the great rigour of the season, that the campaign will open later in the spring than was anticipated. An express has arrived from Paris with papers and letters of Thursday. The latter state, that extensive changes in the French Ministry had been resolved on. It was feared that they would prove the reverse of Liberal. What is called the Wellingtonoarty had been very active. Despatches have been received by the Marquis of Palmella and the Brazilian Ambassador from Lisbon, dated January 10. They are said to give the details of the attempted counter revolution in favour of Donna Maria, which failed through the indiscretion of some of the principal agents. Philadelphia papers arrived this morning. Great dissatisfac- tion continues to be expressed against the tariff. The Duke of Northumberland is making active preparations for his departure for Ireland. It is supposed that he will be in Dublin in the course of February.