"The guns and the ammunition," he said. "Tell off men to take them into the city. They will be useful. We must have them."

He went on at a run till he and his men were in the camp, which had been formed close to the edge of the causeway. But here the enemy rallied, while a strong force came to their aid. It was time to retire, and Roger whistled. Then he waved his arm.

"Back to the barricade," he shouted. "Run! Run!"

The retirement was carried out swiftly, so swiftly, in fact, that the Spaniards were dumfounded. They were preparing to hold their camp and administer punishment, when suddenly the attackers disappeared as quickly as they had come, carrying with them two cannon and a small supply of ammunition.

"'Tis the English dog's leading," said Cortes, with a growl, as he looked out at the lake and watched the blazing vessels. "Well is it for us that I had a fleet constructed. This man must be slain. Would that I had hanged him that very night instead of keeping him till the morrow. And that led to the freedom of all his friends. They say these Englishmen are dogged fighters, who battle with their heads as well as with their arms. We shall see, we shall see. But if I catch them——!"

No doubt he would have hanged them at once, and there was much cause for his vexation. Indeed, when the tale of the sortie was completed, and his losses known, the leader of the invaders ground his teeth with anger.

"But it will not occur again," he said to himself. "There will be no more fire-ships, and no more sorties. I will double the guards, while the brigantines will never anchor. Thus they will be able to slip away on the instant."

Roger and the Mexicans had indeed retrieved their defeat of the morning, and had caused great loss to the enemy; for they had destroyed three of the brigantines, and had killed many of the Spanish soldiers and sailors, a loss which Fernando Cortes could not easily replace. But it could not always be so, as they discovered in the course of the next few weeks; for the besiegers attacked in three separate parties every day, and the causeways rang with the sound of strife. Gaps which had been diligently constructed were filled in one by one, while, finding that the enemy repaired their losses and remade the gaps during the night, there being ample labour, Cortes caused his men to camp on the ground they had won, till that portion of the causeways which had fallen to the three parties presented a curious scene. Tiny huts were constructed along them, where the enemy lived.

By now another enemy was attacking the besieged. Starvation stared them in the face, for the brigantines prevented a fresh supply of provisions from being brought to the city. The water in the tanks was very low, and pestilence, the accompaniment of every siege and every campaign, stalked through the city. Men and women and children died by the score, till there were none to bury them. But still the gallant resistance was continued.

"Not till the city is in ruins and the last man slain shall we give way," said Teotlili. "In these matters the priests rule the king, and that is their decision. If it were not so, I should say the same. What sort of life awaits us if we are beaten and live? Slavery, and torture. Yes, Tamba has told me the tale of Cuba, and that is what will happen here. These foolish native allies who have gone over to the Spaniards are but helping in their own ruin, for they, too, will be trampled underfoot. They will be hewers of wood and drawers of water to these men who attack us. We will die at our posts. That is our last word."