No time was lost. Both Mexicans fell to with a will, and in a surprisingly short time water was boiling. When it came Law's turn to eat, Alaire, who was eager to be gone, directed her employee to fetch the Ranger's horse. Panfilo acquiesced readily and buckled on his cartridge-belt and six-shooter. He was about to pick up his rifle, too, but finding Law's eyes inquiringly fixed upon him, he turned with a shrug and disappeared down the arroyo. It was plain that he considered his friendly relations well established and resented the Ranger's suspicion.

"How long has that fellow been working for you?" Law jerked his head in the direction Panfilo had taken.

"Not long. I—don't know much about him," Alaire confessed. Then, as if in answer to his unspoken question, "But I'm sure he's all right."

"Is he looking up range for you?"

"N—no! I left him at the ranch. I don't know how he came to be here, unless—It IS rather strange!"

Dave shot a swift, interrogatory glance at Panfilo's traveling companion, but Anto's face was stony, his black eyes were fixed upon the fire.

With an abrupt gesture Law flung aside the contents of his cup and strode to Panfilo's horse, which stood dejectedly with reins hanging.

"Where are you—going?" Alaire rose nervously.

It was nearly dark now; only the crests of the ridges were plain against the luminous sky; in the brushy bottom of the arroyo the shadows were deep. Alaire had no wish to be left alone with the prisoner.

With bridle-rein and carbine in his left hand, the Ranger halted, then, stooping for Anto's discarded cartridge-belt, he looped it over his saddle-horn. He vaulted easily into the seat, saying: