They had covered about half the distance when they saw a shaft of light shoot around the treetops near them.
"There is that strange light!" cried Songbird.
"Let us find out what it is!" added Fred.
They tried to follow the light and in doirrg this became hopelessly lost in the jungle. Then one of the boys struck one of the oil lanterns on a rock and smashed it, thus doing away with that much of the illumination they carried.
"We must be careful," said Anderson Rover. "We are making no progress so far as the treas ure is concerned. We had better try to find our way back to the shore, and try to find my sons."
And this was agreed to by all. But it was no easy matter to get back to the shore, and an hour later found them in a tangle of undergrowth. Aleck was ahead, accompanied by Fred and Songbird.
"Hark! I heah something!" cried the colored man, presently.
"Somebody is calling!" cried Songbird.
"Maybe it's Dick and the others!" added Fred. They called in return and then they fired off a pistol. There was a brief silence and then came the call once more.
"Come on, dis way!" yelled Aleck, and plunged through the underbrush with the boys following.
