“Just for that we should desert them,” gritted Joe.

“Can hardly do that,” said Mr. Holton. “It would amount to the same as murder for robbery, and such punishment is unjust. Now if they had killed one of our party it might be different. Even then I’d hesitate to do it.”

“But they’ve got to have some kind of punishment,” persisted Joe. “Who knows but that they’ll attempt the same thing later?”

“We’ll have to keep a close lookout,” returned the professor. “If we see any more treachery we won’t dare take any more chances.”

The other members of the crew could not understand the actions of the two would-be deserters, and at once cast them aside as traitors, calling them names which, had they been translated into English, would have been extremely shocking to civilized persons.

In a short time the two Indians emerged into consciousness, and they sat awaiting any fate that might be thrust upon them. The explorers were at a loss to know what to do with the men, but they finally decided to give them hard jobs in full view of all, so that they could neither escape again with the boats nor get the others of the crew to thinking their way.

“Probably won’t have any more trouble,” remarked Mr. Lewis, as they prepared to start up the river again. “We’ll keep a sharp lookout, and if we see any more dishonesty we’ll act accordingly.”

The specimens were prepared, and they resumed the journey up the river, hoping that few more days would pass before they found the unknown Indians. The whites were anxious and yet rather fearful to come in contact with them, fortified as the boats were. Professor Bigelow, however, took the matter lightly, and often when his friends thought of his numerous visits to strange tribes, many of them hostile, they were inclined to cast aside their worries and leave the future happenings to him. For surely, with his wide experience, he could see to any predicament.

“We want to make good time today,” said Mr. Holton. “Twenty-five miles, at least.”

“We will,” Joe’s father assured him. “Unless,” he added, “more rapids hold us back.”