I must have gone to sleep at once, because when I was wakened by Antonio’s rising, my watch showed only half an hour later. From the place where Primitivo had been placed on guard came a series of hearty snores. The lieutenant walked over to him.
"Primitivo, you fool!" Our sentinel stirred in his sleep and turned over with noises indicative of comfort.
"Primitivo!" shouted Antonio, violently kicking him.
Antonio drew back and launched a kick at his back that lifted him several feet into the air. With a start Primitivo woke. He started up alertly, waving the revolver.
The next day took us out of the lowlands. We entered the desert, winding over a series of rolling plains, sandy and covered with black mesquite and here and there an occasional cactus. Now we began to see beside the road those sinister little wooden crosses that the country people erect on the spot where some man died a violent death. Around the horizon barren purple mountains hemmed us in. To the right, across a vast dry valley, a white and green and gray hacienda stood like a city. An hour later we passed the first of those great fortified square ranchos that one comes across once a day lost in the folds of this tremendous country. Night gathered straight above in the cloudless zenith, while all the skyline still was luminous with clear light, and then the day snuffed out, and stars burst out in the dome of heaven like a rocket. Antonio and Primitivo, in that queer harsh Mexican harmony which sounds like nothing so much as a fiddle with frazzled strings, sang "_Esperanza_" as we jogged along. It grew cold. For leagues and leagues around was a blasted land, a country of death. It was hours since we had passed a house.
Antonio claimed to know of a water-hole somewhere vaguely ahead. But toward midnight, which was black and without moon, we discovered that the road upon which we were traveling suddenly petered out in a dense mesquite thicket. Somewhere we had turned off the _Camino Real_. It was late and the mules were worn out. There seemed nothing for it but a "dry camp," for so far as we knew there was no water anywhere near.
Now we had unharnessed the mules and fed them, and were lighting our fire, when somewhere in the dense thicket of chaparral stealthy footsteps sounded. They moved a space and then were still. Our little blaze of greasewood crackled fiercely, lighting up a leaping, glowing radius of about ten feet. Beyond that all was black. Primitivo made one backward leap into the shelter of the wagon; Antonio drew his revolver, and we froze beside the fire. The sound came again.