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194 a sharp turn around a series of rocks. As they moved ahead they suddenly saw a glare of light cross the rocks and then disappear.

"What was that?" asked Sam, somewhat startled.

"A light," answered Dick.

"I know. But where did it come from?"

"It was like the flash of a bicycle gas lamp," said Tom.

"There are no bicycles on this trail," said Dick.

"I know that, too, Dick. But it was like that kind of a lamp."

Just then the flash of light reappeared, and now they saw it came from a point on the trail ahead of them. They listened intently and heard somebody approaching.

"Several men are coming!" whispered Dick.

"Not from our yacht?" said Tom.

"I don't think so."

"Can they be from the Josephine?" asked Sam.

"That remains to be seen."

"If they are from the Josephine what shall we to?"

"I think the best thing we can do is to keep out of sight and watch them."

"But they may locate the cave and take the treasure away," said Tom.