And scarcely a week passed before Guy fulfilled his promise.
CHAPTER IX.
"I believe it is snowing over yonder," cried Aggie to Guy one day, pointing to the west, where, truly enough, as far as the eye could reach, the earth appeared perfectly white.
"It does look like snow," returned Guy, looking intently in the direction she indicated, "but it is now June, and we certainly ought not to encounter such a fall as that appears to be, besides, there is a perfect glare of sunshine there! Ah, I have it! That is not snow, but alkali!"
"What is alkali?" asked Aggie. "Is it cold! Will it melt?"
"I don't know," answered Guy, "let us ask Mr. Graham, he will be able to tell us all about it."
So that very evening when the train stopped to encamp for the night, they waited until Mr. Graham had finished his work, and Guy had done all that was required of him, and then went to the camp-fire of the Grahams.