Still another surprise came to Clem and Dave when the yacht set them down presently at the powder dock. Securely tied to the upper side of the wharf lay the Gypsy. Shouts of astonishment broke from the girl and the boy.
GypsyMr. Hammer, Dan Fowler, and Miss Campbell hurried out from the cottage porch to greet the water-soaked pair and Mr. Morgan.
“There’s your boat, Clem,” cried Miss Campbell, waving a hand in excitement, “and you’ll never guess how it came back!”
“Do you know what that explosion was?” shouted Dan Fowler.
“We do,” declared Dave emphatically. “It was inside the head of the island and we were near to being left there ourselves. We’ve seen the last of the man in the fish mask—poor old Bunte—Mr. Morgan’s brother!”
Cries of wonder burst from the trio. A babble of excitemen
