"Well, he's been prowling around with a lantern, all right, lookin' for something; I give you my word I saw it, Thad," Davy declared, crossing his heart, boy fashion.

"Where was all this happening?" pursued Thad.

"Why, over there on the island!" answered Davy, positively.


CHAPTER XVIII.

THE ALARM.

Davy's words created no end of excitement in the camp of the Boy Scouts. Every fellow jumped to his feet, and several immediately stepped out so that they could get a better view of the dark lake. The stars shone brightly, and gleamed on the tiny wavelets that purled along toward the beach close by.

Knowing just where the distant island lay, they could manage to locate it by the inky blur that seemed to settle upon the water at this one particular spot. But if any one expected to see lanterns moving to and fro like animated fireflies, they made a sad mistake. It remained as dark as the inside of a pocket over there.

"Oh! come, what sort of talk were you giving us, Davy?" remarked Step-hen, in disgust. "I was mighty comfortable lying on my blanket, and you just thought you'd see how you could stir us up with some fake news."

"I tell you I did see it!" affirmed Davy, stoutly.