CHAPTER XVI
CAUSE AND EFFECT
ALDEN was convinced from a study of the signal smoke that it was gradually fading, as if the fire which caused it was not replenished. What this signified, as well as the meaning of the display itself, was beyond him.
When the interval between him and the danger point had dwindled to an eighth of a mile, Dick did an almost incredible thing. Until then he had shown no sign of seeing the warning. Suddenly he stopped, raised his head, thrust his ears forward and looked steadily at the thin column of vapor for several minutes. The reins lay on his neck and the rider did not touch them.
The animal wheeled abruptly to the right and broke into a gallop. His action showed that he read the signal smoke aright. Indians were there and he must avoid them.
“I shall not interfere again with you,” said
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