If he agrees to give me my liberty, it will be just like him to kill me as soon as he gets the money which father will gladly pay for my safety." It will be seen that the trend of Fred's thoughts was similar to those of Hank Hazletine, when considering the same matter.

Whatever project might be in the minds of others, the youth would be in danger so long as he was in the power of the wretch whom he had unpardonably insulted.
Naturally, Fred had asked himself more than once whether it was possible for him to make his escape from the cavern.

It was out of the question so long as the Sioux was his companion, but if he should leave him alone, even for a short time, the youth was resolved to make the attempt.
These and similar thoughts were chasing one another through his brain when he fell asleep.

He was very tired from his long tramp and did not open his eyes until the faint light of morning penetrated his prison.

He had not forgotten to wind his watch, and when he looked at it he saw to his astonishment that it was nearly eight o'clock.