"I scarcely think they would be able to burn a building made of stone, gold, and silver," smiled Frank.
"Wa'al, not much," said Bushnell. "Ther palace will be thar when we arrive. You needn't worry about thet."
They were very tired, and, feeling secure in the depths of a narrow ravine, they soon slept, with the exception of Frank, who had the first watch.
The moon came up over the mountain peaks, which stood out plainly in the clear light, every gorge and fissure being cut black as ink, and showing with wonderful distinctness.
The shadow was deep in the narrow ravine, and Frank sat with his back to a wall of rock, looking upward, when he was startled to see a figure rise in the bright moonlight.
On the brink of the ravine above stood a man who seemed to be peering down at them.
"Awaken!" cried this man, in a loud voice. "You are in great danger!"
The cry aroused every sleeper, and Bushnell started up with his Winchester clutched ready for use.
"What is it?" he asked.
Frank clutched his arm, gasping: