"We do not," was the brief reply.
"May I ask why not?"
"Because we can't start."
"Can't?" wondered Professor Zepplin.
Tad saw that something was wrong. What that something was he had not the remotest idea.
"No, we won't go up Bright Angel Trail to-day."
"Why not? Why won't we?" piped Stacy.
"Because there isn't any Bright Angel Trail to go up," returned the guide grimly. "The bad place in the trail was all torn out by the ripping boulders last night. Nothing short of a bird could make its way over that stretch of trail now."
"Then what are we going to do?" cried the Professor.
"Do? We're going to stay here. Escape is for the present wholly cut off——-"