Like a gigantic bird of prey, the "Albatross" hurled itself upon the "Go-Ahead." Doubtless, Robur, while avenging himself wished also to prove the immeasurable superiority of the heavier than air machines.

Mr. Prudent and Mr. Evans defended themselves as best they could. Knowing that their balloon had nothing like the horizontal speed of the "Albatross," they attempted to take advantage of their superior lightness and rise above her. The "Go-Ahead," throwing out all her ballast, soared to a height of over twenty thousand feet. Yet even there the "Albatross" rose above her, and circled round her with ease.

Suddenly an explosion was heard. The enormous gas-bag of the "Go-Ahead," expanding under the dilation of its contents at this great height, had finally burst.

Half-emptied, the balloon fell rapidly.

Then to our universal astonishment, the "Albatross" shot down after her rival, not to finish the work of destruction but to bring rescue. Yes! Robur, forgetting his vengeance, rejoined the sinking "Go-Ahead," and his men lifted Mr. Prudent, Mr. Evans, and the aeronaut who accompanied them, onto the platform of his craft. Then the balloon, being at length entirely empty, fell to its destruction among the trees of Fairmount Park.