“Yes.”
All looked astonished.
“That will be suicide.”
“Then you will be responsible for my life!”
Frank looked at Von Bulow, and the latter winked.
“Come on, friends,” he said; “we wish you luck, captain. No doubt you will succeed in hailing a ship.”
Von Bulow proceeded to adjust his helmet. The others did the same and slid under the water.
Half-way down the reef Von Bulow pressed Frank’s arm.
The young inventor looked back.
Bell was just behind.