"Yes, that was the direction. I am positive of it now. But, if he went that way, he didn't follow you?" added the Professor hesitatingly.
"Do you know what lies there, less than ten rods away?" asked the guide, gravely.
"I don't understand you."
"There's a cliff there that drops down a clear hundred feet," answered
Lige, impressively.
A heavy silence fell over the little group.
CHAPTER VII
OVER THE CLIFF
Professor Zepplin's face worked convulsively as he sought to control his emotions.
"You—you can't mean it, sir. You cannot mean that Walter has come to any real harm? I——"
"I don't know. I'm only telling you what to expect."