Lieutenant Radbury's party had come up to the ravine at a point opposite to the cave, about half an hour before Dan attempted to make his escape.
"I see nothing of the Mexicans here," he remarked to Poke Stover, as he swept the ravine from one end to the other with his well-trained eye.
"No more do I see anything," answered the old frontiersman. "But they may be behind yonder rocks, leftenant. If ye say the word, I'll climb down and scout around a bit."
"There is a cave among yonder rocks," put in another of the Texans. "It is called Haunted Rock by the Indians. The Comanches used to use it as a meeting-place when they were out for plunder. I've often heard old Si Bilkens tell about it."
"I have heard of such a cave," answered Amos Radbury. "If the Mexicans knew of it, they might think it just the right sort of a hiding-place. Yes, Poke, you can scout around. But be careful. They may be watching for a shot."
The frontiersman nodded, to show that he understood, and went off immediately on foot, it being impossible to go down the ravine's side on mustang-back, no matter how sure-footed the animal might be.
The descent into the ravine took time, and Poke Stover was still some distance from the cave's entrance when he heard a commotion among the bushes and rocks.
"A mustang a-comin' this way," he muttered to himself. "And somebody ridin', too. It must be one of them dirty greasers trying to git away. I'll cut him short."
He raised his rifle, and stepped out into the open to get a better aim. Then of a sudden his weapon dropped to his side.
"Dan! Dan Radbury! What in thunder are you doing out here?"