“Mine number six gone overboard,” he wig-wagged.

“How much water?” asked the battleship.

“Three and a half fathoms.”

“Ask for orders,” commanded the officer in charge.

“Orders?” signaled Dan.

“Wherry lay to, to locate the mine. All other boats come in.”

“I understand,” answered Dan.

“Signaling again, sir,” informed Dan.

“What do they say?”

“They have ordered that the signalman from the whaleboat number two remain here in the wherry, sir.”