here tomorrow some time, and make a start for home.”

“Is that so, Donald?” demanded the fat chum.

“Yes, by afternoon we might pull out, though we’ll not get very far by night-time, it may be,” came the answer.

Perhaps Billie caught a certain significance about it, for he instantly went on to remark:

“Huh! guess you mean to have a look-in at that Sacred Mountain racket, and find out what the old medicine man keeps hidden there?”

The others exchanged glances.

“Talk a little lower when you’re saying things like that, Billie,” cautioned Donald.

“I hope you don’t think there’s a spy ahanging around camp right now, one of those Zuni braves, awanting to hear what we might be saying after our supper?” Billie asked, anxiously, as he sat up, to stare around at the rocks seen beyond the circle of firelight.

“No, but sometimes they tell us the walls have ears, and nobody can tell who might catch what we happened to be saying,” Adrian observed. “But answering your question, I’ll just remark that we do mean to make a try to find out about the strange noises they say come out of that mountain at times, when the Witch Doctor is talking with the Great Spirit.”

“Yes,” added Donald, “it’s none of our business,