For two hours the roar was almost deafening. Whole columns of the enemy were swept away, as if by the breath of the tornado. The American infantry exhibited the highest proof of soldiership, in remaining inactive under a severe fire, yet ready at any moment to protect the artillery from a charge of cavalry. The Mexican lancers grew impatient, and demanded that some movement should be made to check the fire committing such dreadful havoc among them, or that they should be allowed to retire. General Torrejon led them to the charge on the right flank, but Colonel Twiggs promptly met it with the 5th infantry, Captain Walker's rangers, and a section of Ringgold's artillery, under Lieutenant Ridgely. They could not withstand the iron torrent poured upon them, and retreated in confusion. Colonel Montero rallied a part of the force, and reformed them; but his advance was soon checked by the 3rd infantry. Meanwhile, the dry grass of the prairie had burst into a blaze, and dark, dense clouds of smoke almost shut out the light of day, and hung in heavy festoons over the combatants. The enemy's fire now slackened, and they fell back on the left nearer to the Chaparral in their rear.
The firing of both armies ceased for nearly an hour, and it was then resumed by the Americans, with the same terrible effect before witnessed. General Taylor had been steadily gaining ground, and the eighteen-pounders occupied the position formerly held by the Mexican cavalry. The two lines were nearly parallel, when the battle was renewed by incessant showers of balls thrown from the American batteries. The Mexican fire was concentrated, for a few moments, on the light battery of the right wing, and the eighteen-pound-
