He had not found a waterfall in the chasm; they had not discovered one in all their trapping and hunting excursions.
Wabi was looking down into his face in silent thought.

Suddenly he reached out and seized the sheet of bark and examined it closely.

As he looked there came a deeper flush in his face, his eyes brightened and he gave a cry of excitement.
"By George, I believe we can peel this!" he cried.

"See here, Muky!" He thrust the birch under the old Indian's eyes.

Even Mukoki's hands were trembling.
"Birch-bark is made up of a good many layers, each as thin as the thinnest paper," he explained to Rod as Mukoki continued his examination.