"Fur kids ye seem to have plenty o' money. Ye'r purty free spenders. I'll give ye one more chance. Ef ye've got a thousand dollars handy fur a kind of a bond as it were I guess that'll sort o' protect us."

"You mean for bribery?" exclaimed Alan.

"No, just instead of stealing," angrily added Ned. "We haven't a thousand dollars and if we had you couldn't get a cent of it. And to save you some trouble I'll say that what we have is in your bank."

Another half-uttered oath sounded on Jellup's lips.

"In thet case," retorted the marshal, "we'll jest show you that we mean business. That's a lie about the bank. Produce or take the consequences."

"Help yourself," replied Ned, "if you think we are lying."

"I ain't no pickpocket," retorted Jellup, "this is official. I tell ye it's a bond and this is yer last chanct to make good."

The boys remained silent.

But Jellup's companion was already busy. Leaving the marshal to stand guard over the boys he made a quick search of their clothing. But Ned was not so used to money as to be careless in the handling of it and the six hundred dollars that he had in gold was in a belt carefully concealed in the top of the liquid hydrogen crate, which, for safety, had been stored in a corner of the room.

When the silent Domingo threw down the working garments of the boys he took up the candle and began a tour of the room. The big black liquid hydrogen crate attracted his attention and he approached it. The red "Explosive—no fire" letters of warning apparently meant nothing to him, but Jellup halted him with a sharp warning, followed by a few words in Mexican. Domingo handed the candle to Jellup and the latter stepped toward the box.