But, as before remarked, the commencement of barricades to obstruct the movements of the police and military, after the Parisian fashion, was a serious thing, and must be nipped in the bud; and Captain Walling, of the Twentieth Precinct, who had been busy in this part of the city all the afternoon in dispersing the mob, sent to head-quarters for a military force to help remove them. He also sent to General Sandford, at the arsenal, for a company of soldiers, which was promised, but never sent. At six o'clock a force of regulars arrived from General Brown, and repaired to the Precinct station-house. Captain Slott, of the Twentieth Precinct, took command of the police force detailed to cooperate with the troops, but delayed action till the arrival of the company promised from the arsenal. Meanwhile, the rioters kept strengthening the barricades between Thirty-seventh and Forty-third Streets, in Eighth Avenue, by lashing carts, wagons, and telegraph poles together with wire stripped from the latter. The cross streets were also barricaded. Time passed on, and yet the bayonets of he expected reinforcement from the arsenal did not appear. The two commanding officers now began to grow anxious; it would not do to defer the attack till after dark, for such work as was before them required daylight. At length, as the sun stooped to the western horizon, it was resolved to wait no longer, and the order to move forward was given. As they approached the first barricade, by Thirty-seventh Street, a volley as poured into them from behind it, followed by stones and brick-bats. The police now fell back to the left, and the regulars advancing, returned the fire. The rioters, however, stood their ground, and for a time nothing was heard but the rapid roll of musketry. But the steady, well-directed fire of the troops, at length began to tell on the mob, and they at last broke, and fled to the next barricade. The police then advanced, and tore down the barricade, when the whole force moved on to the next. Here the fight was renewed, but the close and rapid volley of the troops soon scattered the wretches, when this also was removed. They kept on in this way, till the last barricade was abandoned, when the uncovered crowd broke and fled in wild disorder. The soldiers pressed after, breaking up into squads, and chasing and firing into the disjointed fragments as they drifted down the various streets.