“All bosh!” declared Paul. “It’s probably a garage dating from the stone age when the early inhabitants used the dinosaur as a jitney!”

They all laughed at his conceit and talked further of the cave and what they might find in it when they explored it the next day.

Whether it was the severe thunderstorm, or whether it was the culmination of the happenings of the past few weeks was not made clear, but it was certain that the girls, even Cora, were more nervous than they had been at any time yet.

“I—I wish we didn’t have to stay here to-night,” said Belle when supper was over, and they sat out on the porch, gazing into the fast-gathering darkness.

“Why?” asked Cora.

“Because I—I’m afraid. Come now, aren’t you?” she challenged.

“Well, I can’t say I like all the mysterious happenings,” Cora admitted. “And now that we know there is a cave near us—more than one perhaps—and that we don’t know who—or what—may be in them, why, I can’t say it is the most pleasant vacation we have experienced.”

“This bungalow gives me the creeps!” complained Hazel.

“Why not take ours?” suggested Walter. “It’s large enough for you to sleep in, and we’ll take this one. Come on, what do you say?”

“No, not to-night anyhow,” decided Cora. “We’ll keep to our agreement and stay here. Mrs. Floyd will be here with us.”