Thus the troops behind saw their wagons dip down, reappear, and continue on their course.

The idea of an ambush could not suggest itself.

Only one thing could avert an absolute catastrophe, and that was the appearance of a hero who would accept certain death in order to warn his comrades.

Such a man rode by the wagons--though, unhappily, in the stress and rush of the moment there is no certainty as to his name or rank.

We only know that one was found brave enough to fire his revolver in the face of certain death.