“How can you tell that?”

“Don’t ye see that the shod tracks air kivered by them o’ the maars? Maars—no! By the ’turnal airthquake!—them’s not maar-tracks. They air a inch bigger. Thur’s been studs this way—a hul cavayurd o’ them. Geehosofat! I hope they hain’t—”

“Haven’t what?”

“Gone arter Spotty. If they hev, then thur will be danger to Miss Peintdexter. Come on!”

Without waiting for a rejoinder, the hunter started off at a shambling trot, followed by Calhoun, who kept calling to him for an explanation of his ambiguous words.

Zeb did not deign to offer any—excusing himself by a backward sweep of the hand, which seemed to say, “Do not bother me now: I am busy.”

For a time he appeared absorbed in taking up the trail of the shod horses—not so easily done, as it was in places entirely obliterated by the thick trampling of the stallions. He succeeded in making it out by piecemeal—still going on at a trot.

It was not till he had arrived within a hundred yards of the arroyo that the serious shadow disappeared from his face; and, checking the pace of his mare, he vouchsafed the explanation once more demanded from him.

“Oh! that was the danger,” said Calhoun, on hearing the explanation. “How do you know they have escaped it?”

“Look thur!”