Now, you sleep and I will watch." His calmness was reassuring, and it was true that the fog was an almost certain protection, while it lasted.

They smothered the fire carefully, and then, Robert was sufficient master of his nerves, to go to sleep, wrapped in the invaluable buffalo robe.

The Onondaga kept vigilant watch.

His own ear, too, heard the occasional sound made by human beings in the valley below, but he did not stir from his place.

He had absolute confidence in Robert's report, and he would not take any unnecessary risk.
An hour or two before dawn a wind began to rise, and Tayoga knew by feeling rather than sight that the fog was beginning to thin.