"Just to lie down and take things easy," declared Danny Grin.

"As for me," piped up Greg Holmes, "I'm not going to bother my
head, to-night, as to why we came here. I'm going to get a ten
hour nap, and in the morning I'll try to solve the riddle for
you, Dick, of why we came here."

A tired lot of boys, not really ready, as yet, to admit that they
were used up, lay down on their cots without undressing. They
intended, later, to get into their pajamas.

A single lantern, its wick turned low, hung from one of the posts.
Prescott did not trust himself to lie down, for his eyes, despite
his efforts to keep awake, were heavy, and he did not want to
sleep for some time yet.

Within ten minutes Darrin alone had his eyes open, and even he
was making a valiant struggle against sleep. At last, however,
he yielded, and soon settled into sound slumber.

"They're off in another world," smiled Dick, as he listened to
the deep breathing of his chums; then he slipped away from his
cot.

From under a box in one corner of the tent he took out a large
cup of coffee that he had hidden some time earlier. It was still
warm and he drank it with relish, though his main purpose in using
the beverage was to make sure of keeping himself awake.

His next move was to extinguish the lantern. Now he made his