[Illustration: "SCOUTS TO THE RESCUE!" SHOUTED RIVETT]

Rusty. "This boat's been stolen. There's no doubt about that. It's up to us to do the Milford chaps a good turn by taking care of the Olivette until they claim her."

Before very long a semaphore message was received from Barnicott.

"Coastguard has telephoned to Weymouth police," read the message.

"There's a boat coming this way," announced Phillips.

The Patrol Leader, who had been examining the motor, called back:

"Where from? From Weymouth?"

"No," replied the scout. "From Osmington. There are two coastguardsmen in her."