"But look here, Mikey," he continued, "don't you ever think about it ?" "About what ?" "The caves, and all that." "Of course I do: I hardly think of anything else." "Yes; but I mean about that young Carnach watching us and old Joe hanging about after us." "Thought it rather queer once or twice, but of course it was only because we were so suspicious.

If we hadn't had the cave and been afraid of any one knowing our secret, we might have met them a hundred times and never thought they were watching us." "Yes, we might," said Vince thoughtfully.

"I don't know, though: they certainly did watch us." "Then, if they did, it was because we looked as if we wanted to hide something." "Yes, that sounds right," said Vince.

"I never looked at it in that way, and it has bothered me a good deal.

Why, of course that is it! I'm all right now, and I'll go with you whenever you like; only we ought to tell them soon.