"It may be that your messenger has come in with my associate," Katz blustered, as the little caravan came nearer to the camp, "but if I'm not very much mistaken, both men are here to assist me!"

"You must need a lot of assistance!" Tommy said, with a wrinkling of his freckled nose. "You look the part, too!"

"Now see here, young man," exclaimed Katz, angrily. "I don't want any lip from you boys. I've been robbed in this camp, and as soon as my men come up I'm going to know whether my property is here or not!"

"If you try any funny business with us," Sandy cut in, "you'll get your block knocked off!"

"We'll see about that when my men come up!" retorted Katz, defiantly. "I'm not going to submit to being held up by four boys who ought to be spanked and put to bed instead of being permitted to roam about the mountains robbing unwary travellers."

Tommy was about to make an angry reply, but Will motioned for him to remain silent. No more was said until the two men came up with their heavily-loaded burros. Katz was first to address the newcomers.

"Well, Cullen," he said, extending a hand to a short, heavily-built man with a dissipated-looking face, "I'm glad you came in on time. I am also glad that you brought a man in with you, and plenty of provisions," he added with a look of challenge at the boys.

"Why," replied Cullen, "I don't know anything about this fellow with me. He came out of Green River with his two burros just ahead of me, and so we decided to travel together. I should judge from what he said that he's looking for the camp we have just blundered into."

Katz stepped back as if annoyed at the statement, and finally drew Cullen away to one side, where they engaged in a whispered conversation.

In the meantime, the messenger advanced toward Will and extended a sealed envelope. He was a well-built young fellow with a clean-shaven face which gave every indication of intelligence and determination.