"And may it prove to be worth all that has been said of it," added Sam

CHAPTER XX

THE BOYS MAKE A DISCOVERY

The boys had landed at a spot that was particularly inviting in appearance, and they stopped for several minutes to take in the natural beauty surrounding them. There were tall and stately palms, backed up by other trees, trailing vines of great length, and numerous gorgeous flowers. A sweet scent filled the air, and from the woods in the center of the isle came the song of tropical birds.

"What a fine camping place!" murmured Sam. "A fellow could spend several weeks here and have lots of fun, bathing and boating, and hunting birds, and fishing," and his brothers agreed with him.

Yet the beauty of Treasure Isle was soon forgotten in their anxiety to locate the cave. They had a general idea that it was in the center of the horseshoe curve, and that center was quite a distance from where they had been brought ashore.

"The best we can do is to tramp along the water's edge," said Dick.
"Then when we reach the center we can go inland."

"We haven't over an hour," replied his youngest brother. "By that time it will be too dark to do much more. And we'll have to find some suitable place to camp for the night."

"Oh, we can camp anywhere," cried Tom. "It's good enough—just for one night."

They began to trudge along the edge of the horseshoe curve, over smooth sand. But this did not last, and presently they came to a muddy flat and went down to their ankles. Dick was ahead and he cried to the others.