Although insurrectionary symptoms had been shown at Cologne and Dusseldorf--both of them especially black-guard places--Prussia remained tolerably quiet for a week after constitutions were circulating like currency on the Rhine. But on the 13th the storm burst both at Berlin and Vienna. Austria did little more than shrug her shoulders and submit. Prince Metternich, the oldest statesman of Europe, and the man most personally identified with the ancient system, was the main object of popular obloquy; and the master whom he had served so long and so well was physically incapable of defending him. The Archduke John espoused the popular side, and the result was the self-exile of the Prince. The King of Prussia remained true to his original character of charlatan. First of all, his troops fired upon the mob; then came a temporising period and a public funeral, spinning out time, until the result of the Vienna insurrection was known; and at last Frederick-William appeared to astonished Europe in the character of the great regenerator of Germany, and as candidate for the throne of the Empire. The impudence of the address which he issued upon the memorable 18th of March, absolutely transcends belief; and that document, doubtless, will remain to posterity, to be marked as one of the most singular instances on record of royal confidence in public sottishness and credulity. Here is a short bit of it; and we are sure the reader will agree with us in our estimate of the character and sincerity of the august author:--