or no treasure." And he threw himself on his back and closed his eyes, while I did the same. Dan kept on shying stones into the water, and presently we heard him move away up the footpath leading to another rise of volcanic rocks.
I think I fell into a light doze and Oliver went sound asleep. Probably half an hour passed, when I awoke with a start and sat up, rubbing my eyes.
For an instant I could not imagine what had aroused me. Then came a cry from a distance, in Dan's voice.
"Help, boys! Help!"
"What's the matter, Dan?" I called back, and scrambled to my feet.
"I am" came back, and then my friend's voice died out suddenly, as if his wind had been cut short.
"What's up?" demanded Oliver, rousing up. "Why can't you let a fellow take a cat-nap?"
"Dan is in trouble. Come on!" And I ran in the direction from whence I thought the voice proceeded.
It was a rocky, uncertain path, and I found it difficult to make any progress. As we moved along I kept my ears on the alert, but Dan did not call again.
"Where are you?" I yelled. "What's the matter?"
