mountain landslide, but it did not occur, and he was much disappointed.
"It's queer I can't pick out that landmark," said Mr. Jenks after two days of weary searching, when their eyes were strained from long peering through telescopes. "I'm sure it was around Indian Ridge, yet we've covered almost all the ground in this neighborhood, and I haven't had a glimpse of it."
"Perhaps it was destroyed in a landslide, or some cataclysm of nature," suggested Mr. Parker. "That is very possible."
"If that's the case we're going to have a hard time to locate the cave of the diamond makers," answered Mr. Jenks, "but I hope it isn't so."
They continued the search for another day, and then Tom, as they sat in the comfortable cabin of the airship that night, hovering almost motionless (for the motor had been shut down) made a proposition.
"Why not descend in some secluded place," he suggested, "and wander around on foot, making inquiries of the miners. They may know where the stone head is, or they may even know about Phantom Mountain."
"Good idea," spoke Mr. Jenks. "We'll do it."
Accordingly, the next morning, the Red Cloud was lowered in a good but lonely land-
