“They’re waiting for dark,” said Bridge to Mr. Harding during a temporary lull in the hostilities, “and then we’re goners, unless the boys come back from across the river in time.”

“Couldn’t we get away after dark?” asked the Easterner.

“It’s our only hope if help don’t reach us,” replied Bridge.

But when night finally fell and the five men made an attempt to leave the house upon the side away from the office building they were met with the flash of carbines and the ping of bullets.  One of the Mexican defenders fell, mortally wounded, and the others were barely able to drag him within and replace the barricade before the door when five of Pesita’s men charged close up to their defenses.  These were finally driven off and again there came a lull; but all hope of escape was gone, and Bridge reposted the defenders at the upper windows where they might watch every approach to the house.

As the hours dragged on the hopelessness of their position grew upon the minds of all.  Their ammunition was almost gone—­each man had but a few rounds remaining—­and it was evident that Pesita, through an inordinate desire for revenge, would persist until he had reduced their fortress and claimed the last of them as his victim.

It was with such cheerful expectations that they awaited the final assault which would see them without ammunition and defenseless in the face of a cruel and implacable foe.

It was just before daylight that the anticipated rush occurred.  From every side rang the reports of carbines and the yells of the bandits.  There were scarcely more than a dozen of the original twenty left; but they made up for their depleted numbers by the rapidity with which they worked their firearms and the loudness and ferocity of their savage cries.

And this time they reached the shelter of the veranda and commenced battering at the door.

At the report of the rifle so close to them Billy Byrne shoved Barbara quickly to one side and leaped forward to close with the man who barred their way to liberty.

That they had surprised him even more than he had them was evidenced by the wildness of his shot which passed harmlessly above their heads as well as by the fact that he had permitted them to come so close before engaging them.

To the latter event was attributable his undoing, for it permitted Billy Byrne to close with him before the Indian could reload his antiquated weapon.  Down the two men went, the American on top, each striving for a death-hold; but in weight and strength and skill the Piman was far outclassed by the trained fighter, a part of whose daily workouts had consisted in wrestling with proficient artists of the mat.