"Thunderation!"

Sam quickly turned on his heel, as a series of wild exclamations came without warning from the others.

"What's up—what—?" But the rest of the sentence died away on his lips.

A most astonishing sight met his gaze, and one which sent a thrill through every fibre of his being.

A motor boat, enveloped in sheets of flame, drifting slowly on the current, had appeared beyond a jutting point of land.

For a moment all stood speechless with dismay. Then they found their voices.

"Is it the 'Rambler'?" cried Bob, in accents of the wildest dismay.

"It can't be."

"I don't believe it."