"Nothing very complimentary to us," George declared.

As the night advanced it grew colder and the boys moved about in
quest of a more sheltered corner. They could still hear the bears
moving about outside, but paid no attention to them.

"Look here," George said presently, as the search-light rested for
a moment on a break in the rock. "I wouldn't wonder at all if we
could get further under the hill. There's an opening here which
looks wide enough for us to crawl through."

"It's a wonder the bears didn't find it then," commented Thede.

"I'm going to see whether I can get through it or not," George
insisted. "It may be a warmer corner. Anyway, it'll give us
exercise, and that's what we need about this time."

Throwing the spear of light into the crevice, the boy glanced
keenly about. The walls of the opening seemed to be smooth, and to
extend only a short distance. Just below where the walls broke he
could see the brown floor of another cavern."

"I guess it's all right," he said to Thede. "You take the light
and hold it down and I'll scramble in. May as well break my neck
as to freeze to death."

"Let me take your hand, then," advised Thede, "so yon can be pulled
back if you don't like the looks of the new furnished room."

"I'd like to be in a furnished room on Washington boulevard just