“What became of my friend?”

“I’ve told you I don’t know,” the engineer replied, no longer hiding his impatience. “I have important work to do now, and can’t answer any more questions. Corning, I think, is dead. That’s all I can tell you.”

Chapter 13
THE EMERALD PIT

“Just a minute, please,” Mr. Livingston interposed as the mining engineer started to leave the office. “We’ve come a long distance to see Appleby Corning. I feel I must know more about his strange disappearance.”

Rhodes halted in the doorway, scowling. “I’m busy,” he replied pointedly. “As I told you, work isn’t progressing as it should. Whenever I turn my back, those confounded Indians lean on their tools, instead of working.”

“We won’t keep you long,” Mr. Livingston returned in a quiet voice. “Just tell us what became of Mr. Corning.”

“I don’t know,” the engineer retorted in exasperation. “I thought I made that clear.”

“Why do you say he’s probably dead.”

“Because he’s a captive of Carlos.”

“The bandit!”