There was no life--no motion--as far as could be seen. Not a tree or
shrub relieved the rugged monotony of the landscape. It was like a dead
world.

"And to think that people may have once lived here," observed Jack, in
a low voice.

"Yes, and to think that there may be people on the other side of the
moon even now," added Mark. "We must take a look if it's possible."

"Well," remarked Mr. Henderson, after a while, "are we going out and
see what it's like or not."

"Of course, we are," said Jack. "Come on, Mark, I'm not afraid."

"Me either. Do we have to do anything to the torches to make them
operate, Professor Roumann?"

"Merely press this lever," and the scientist showed them where there
was one in the handle of the steel rod. "As soon as that is pressed, it
admits a liquid to the chemicals and the oxygen gas is formed, rising
all around you, like a protecting vapor. After that it is automatic."

"How long will the supply of chemical last?" inquired Jack.

"Each one is calculated to give out gas for nearly two weeks," was the
reply; "possibly for a little longer. But come, I want to see how they
work. Here is your life-torch, Professor Henderson, and there is one
for you, too, Andy, and Washington."