“Well, one’s there now. See how it dances about!”

Indeed, a light could be observed, dancing up and down, flashing first from one window and then from another.

“It’s Mr. or Mrs. Floyd,” said Jack.

“They’ve gone to the village,” Paul said. “I saw them go.”

“It’s the mysterious visitors!” cried Walter. “They’re using Cora’s flashlight! Come on, boys, this time we have them!”

He ran toward the bungalow, followed by the others.

CHAPTER XXII—A MOUNTAIN CAVE

Advancing rapidly toward the girls’ bungalow, where so many strange happenings had occurred, and where even now the strange light was flashing, first at one window, then at another, Cora and her chums—boys and girls—speculated on what could be the cause.

“Let the boys go first,” cautioned Belle. “We don’t know what it might be.”

“That’s right! Wish the danger on to us!” commented Jack. “But we’re not afraid.”