hours after I saw the head, before we got to the halting place, and I was carried into the cave. That would make it several miles from here, for we went in a wagon."
"Yes, and they might have driven in a roundabout way, in order to deceive you," suggested Mr. Damon. "At best we have but a faint idea where the diamond cave is, but we must search for it; eh, Tom?"
"Certainly. We'll start right in. And as the airship will be of but little service to us now, I suggest that we leave it in this valley. It is very much secluded, and no one will harm it, I think. We can then start off prospecting, for I have a large portable tent, and we can carry enough food with us, with what game we can shoot, to enable us to live. I have a regular camping outfit on board."
"Fine!" cried Mr. Parker, "and that will give me a chance to make some observations among the mountains, and perhaps I can predict when a landslide, or an eruption of some dormant volcano, may occur."
"Bless my stars!" cried Mr. Damon. "I don't wish you any bad luck, Mr. Parker, but I sincerely hope nothing of the sort happens! We had enough of that on Earthquake Island!"
"One can not halt the forces of nature," said
