CHAPTER V.
ON THE REEF.
In his horror, Clifford forgot himself and shouted wildly to Frank, but the young inventor did not reply.
Of course he could not hear. Indeed, the only way conversation could be carried on was by placing the helmets closely together and loudly shouting.
So that the young inventor, intent on examining the Dolphin’s position, thought of nothing else, until by chance he turned his head.
Then the sight which he beheld filled him with horror.
For a moment he could not act.
“My God!” he gasped, “Clifford is lost!”
Then his senses returned.
He realized that his friend was in mortal peril, and that he must go to his aid. At any cost he must try and save him.
So he drew his ax from his girdle and made a leap forward.