"Mought be done," he muttered. "Mought git the better of 'em all that way. Shute, 'an then yell. The greasers'ud think it was Injuns, an' they'd travel for camp. Then I'd stop the spare mules an' start for Californy."

For Texas this plan was a stroke of inspiration. He was not an intelligent scoundrel. All his acumen, though bent to the one point of roguery, had barely sufficed hitherto to commit murders and escape hanging. He had never prospered financially, because he lacked financial ability. He was a beast, with all a tiger's ferocity, but with hardly more than a tiger's intelligence. He was a savage numskull. An Apache Tonto would have been more than his match in the arts of murder, and very nearly his match in the arts of civilization.

Instead of following Thurstane directly, he made a circuit of several miles through a ravine, galloped across a wide grassy plain, and pulled up among some rounded hillocks. Here, as he calculated, he was fifteen miles from camp, and five from the spot where lay Glover and Sweeny. The moon had already gone down and left the desert to the starlight. Posting himself behind a thicket, he waited for half an hour or more, listening with indefatigable attention.

He had no scruples, but he had some fears. If he should miss, the lieutenant would fire back, and he was cool enough to fire with effect. Well, he wouldn't miss; what should he miss for? As for the greasers, they would run at the first shot. Nevertheless, he did occasionally muddle over the idea of going off to California with his gold, and without doing this particular job. What kept him to his agreement was the hope of stealing the spare mules, and the fear that the draft might not be paid if he shirked his work.

"I s'pose I must show his skelp," thought Texas, "or they won't hand over the dust."

At last there was a sound; he had set his ambush just right; there were voices in the distance; then hoofs in the grass. Next he saw something; it was a man on a mule; yes, and it was the right man.

He raised his cocked rifle and aimed, sighting the head, three rods away. Suddenly his horse whinnied, and then the mule of the other reared; but the bullet had already sped. Down went Thurstane in the darkness, while, with an Apache yell, Texas Smith burst from his ambush and charged upon the greasers.

[!-- CH34 --]

CHAPTER XXXIV.

The chase after the spare mules carried Texas Smith several miles from the scene of the ambush, so that when he at last caught the frightened beasts, he decided not to go back and cut Thurstane's throat, but to set off at once westward and put himself by morning well on the road to California.