The girls had breakfast, strolled about on shore for a little while, and then started off, intending to stop in Dunkirk, which town lay a little below them, to get some supplies, and replenish the oil and gasoline.
It was while Betty was bargaining for the latter necessaries for her motor in a garage near the river that she heard a hearty voice outside asking:
"Have you men seen anything of a trim little craft, manned by four pretty girls, in the offing? She'd be about two tons register, a rakish little motor boat, sailing under the name Gem and looking every inch of it. She ought to be here about high tide, stopping for sealed orders, and"
"Uncle Amos!" cried Betty, hurrying to the garage door, as she recognized his voice. "Are you looking for us?"
"That's what I am, lass, and I struck the right harbor first thing; didn't I? Davy Jones couldn't be any more accurate! Well, how are you?"
"All right, Uncle. The girls are down in the boai at the dock," and she pointed. The man is going to take down the oil and gasoline. Won't you come on a trip with us? We expect to make Rainbow Lake by night."
"Of course I'll come! That's why I drifted
