"I mean that I will keep you confined in this room until you agree to the bargain!"
Gerald turned pale. He saw that he was in a trap.
"I can't betray Mr. Nixon's interests."
Hawk opened the door and went out, thrusting Gerald back.
"I will come here to-morrow morning," he said. "By that time you may have come to your senses."
"Let me out!" exclaimed Gerald, vehemently.
"So I will, if you agree to my terms."
In a moment the door was locked, and Gerald found himself immured in a cavern three hundred feet below the surface of the earth.
HE SAW THAT HE WAS IN A TRAP