“There goes the air tube. That settles him, sir!”
“What does it mean?” stammered Sam.
“The diver is drowning three fathoms under the sea. Nothing can save him,” groaned some one.
An instant of silence followed.
Dan threw up his flag signaling, “accident.”
Then a body flashed through the air. The dazed spectators caught sight of a white service uniform, as the intrepid Dan Davis plunged into the sea, disappearing beneath the waves.
Sam’s flagstaff struck the gunwale with a bang an instant later, toppled over and was quickly carried away. Ere it had reached the water, however, the second Battleship Boy had leaped to the bow of the boat and before they could utter a word of warning, he had followed his chum Davis with a long, clean dive into the ocean.
CHAPTER XXIII—HEROES TO THE RESCUE
“Men overboard from the wherry!” bellowed a voice in the motor boat that had brought out the second diving suit.