stable on the island. The saddle may have come off there. Now he'll most likely take me right to his stopping place. Of course he may not, but it's worth trying."
"Indeed it is," agreed Frank.
After a hasty breakfast Will put his plan to the test. Prince was fed well, and with Frank and Allen to follow, Will leaped on his pet's back, and gave him free rein—or, rather, free halter, since there was no bridle. The girls said they would take a walk around the island, looking for the saddle as they went.
Prince, after a little hesitation, started off with Will on his back. The splendid animal headed for the lake shore, and for a moment Will was inclined to think that Prince was going to plunge in and swim to some other island or the mainland. But Prince was only thirsty, and, slaking that desire, he ambled along the shore for a mile or so, the two young men following.
"Where can he be going?" asked Frank.
"Just let him alone," counseled Will. "He knows what he is about."
And so Prince did. He took a path he had evidently traveled many times before, to judge by the hoof-marks, and presently came to at swampy place at which Frank and Allen balked.
"Wait here," advised Will. "I'll soon be