Cortez and a few chosen officers galloped along the line ready to render assistance where it was most needed, while the great body of the allies was distributed amongst the three divisions of the army. The night was dark and rainy, and hid their operations from the enemy, but it was impossible, of course, to conceal the departure of such a host, of nine thousand men, with artillery, horses, and baggage, from their wary and suspicious foes.
They crossed the great square in silence and in safety; they reached the first canal, where the portable bridge was placed in position; the artillery, some of the cavalry, and the Tlascallans in charge of the king's gold, the vanguard, Cortez, and many of his officers, had crossed the canal, when their ears were saluted by dismal sounds. The alarm was given; the priests watching on the temple gave notice to the people by blowing trumpets and sounding the great drum of serpent-skin that hung above the altar of their war-god. They were instantly attacked by the enemy, who sprang like apparitions from the lake, from the canals, from canoes, and from every street. All was confusion, the rearguard, dashing forward to escape the multitude of enemies that now fell upon them, crowded upon those in front; cavalry, artillery, baggage, prisoners, infantry, all were driven together in a struggling, disorganized mass. The vanguard was halted by an open canal in front, behind the rear-guard was the wooden bridge, but so wedged and fastened in position by the weight that had passed over it, that it was impossible to remove it. The slaughter that then ensued was horrible; completely at the mercy of the Mexicans, the unfortunate Spaniards and their allies were pierced with lances and arrows, hewn down with swords taken from their own soldiers, and hundreds of them taken prisoners and hurried off to be sacrificed to the Mexican deities. Then was the dead emperor avenged; then did
