“A good idea, I say,” Adrian went on to remark, approvingly. “I’ve known the best trained cayuse going to let out a neigh when it scented some of its own kind near by. That’s a thing they just can’t help, seems like. So, the sooner we get their muzzles tied up the better.”

“You’ll have to show me how,” said Billie; “because that’s where my education’s been sorter neglected, so to speak. But I want to know, just stick a pin in that, please.”

He soon learned just how this could be accomplished by the aid of their blankets. The horses objected to such treatment, but had to submit in the end. And when the job had been completed they were so muzzled that they could not have whinnied, no matter how hard they tried.

Mounting them again the three boys moved cautiously ahead. It was their purpose to cover a cer- [Transcriber's note: missing line(s) of text at this place in original printed text.]

can get away. The rurales can take care of the fifty others later on.“

“That is good advice,” declared Don Antonio. “Let us hasten back and send a messenger to Presidio del Norte, and then we can return and watch for Don Rafael.”

“I don’t see any use of all of us returning to the house,” declared Billie. “I’ll stay here and watch the river.”

“And I’ll stay with you,” declared Adrian.

“Suppose we fix it this way,” said Don Antonio: “Pedro and one of you return to the house and send the messenger, and I and two others will stay and watch the river, as Don Guillermo says.”

“If Don Guillermo’s willing,” replied Adrian, with a laugh at Billie’s Mexican name.