Shall I ever be able to get even with him?
I now know that at any rate it is not easy to regulate the aim of Roch's auto-propulsive engine.

It is probable that it always bursts at the same distance, and that beyond the zone in which the effects of the fulgurator are so terrible, and once it has been passed, a ship is safe from its effects.

If I could only inform the world of this vital fact! _August 20_ .-- For two days no incident worth recording has occurred.

I have explored Back Cup to its extreme limits.

At night when the long perspective of arched columns are illuminated by the electric lamps, I am almost religiously impressed when I gaze upon the natural wonders of this cavern, which has become my prison.