“The honor of such a man—”

Uncle Prudent did not finish his sentence.

There was a noise on the “Albatross.” Evidently, the alarm had been given. The escape was discovered.

“Help! Help!” shouted somebody. It was the look-out man, who had got rid of his gag. Hurried footsteps were heard on deck. Almost immediately the electric lamps shot beams over a large circle.

“There they are! There they are!” shouted Tom Turner. The fugitives were seen.

At the same instant an order was given by Robur, and the suspensory screws being slowed, the cable was hauled in on board, and the “Albatross” sank towards the ground.

At this moment the voice of Phil Evans was heard shouting, “Engineer Robur, will you give us your word of honor to leave us free on this island?”

“Never!” said Robur. And the reply was followed by the report of a gun, and the bullet grazed Phil’s shoulder.

“Ah! The brutes!” said Uncle Prudent. Knife in hand, he rushed towards the rocks where the anchor had fixed itself. The aeronef was not more than fifty feet from the ground.

In a few seconds the cable was cut, and the breeze, which had increased considerably, striking the “Albatross” on the quarter, carried her out over the sea.