The United States Mail steamer Atlantic, from Liverpool noon of Saturday, the 10th inst., arrived yesterday morning at 3 o'clock.
By this arrival we learn of the peaceable accession of the Czar Alexander II, and of his declaration to follow the policy of his father Nicholas. Constantine and the other princes of the Imperial house have signified their allegiance to the new Emperor. The hopes that were entertained throughout Europe of a peace policy, in accordance with the supposed personal character of Alexander, were becoming more faint. The influence of the powerful party at the head of whom is the Grand Duke Constantine, it was feared would urge the Czar forward in a course opposed to his better judgment. His first appointments of the Ministers were, however, regarded favorable for peace. Meanwhile, the allies determine to seize the opportunity of the uncertainty which the news of the death of Nicholas must occasion, to prosecute the war with vigor. There has been more fighting in the Crimea, and more threatened. The Conferences have commenced at Vienna. Gortschakoff having received from the Czar Alexander a confirmation of his previous instructions.
The previously reported death of the late Emperor Nicholas is fully confirmed, and his successor, Emperor Alexander II, has succeeded peaceably to the Russian throne. The new Emperor has issued a manifesto stating that he will adhere to the policy of his father. Constantine and his other brothers and officers of the Empire had taken oaths of allegiance to the new Emperor. Alexander has confirmed as Diplomatist at the Peace Conference, Gortschakoff, whose previous instructions are also confirmed, and the first conference has been held at Vienna. Alexander had appointed Gen. Rudiger, Minister of War. The Allies have ordered their Generals to press forward the war with the utmost vigor.
There has been more fighting in the Crimea. The French stormed a redoubt, which had been skillfully erected by the Russians during the night, and several hundred of the Russians were killed, and there was a general rumor that the Grand Duke Michael was among the wounded, and that he had subsequently died at Sebastopol. A large force of Russians are threatening Balaklava. The blockade of the Danube has been raised.