"He is, of course, crazy," Darrow said quietly; "the methodical logical lunatic—the most dangerous sort."
"What is it he has discovered?" asked Jack.
"I do not know, yet."
"But you suspect?"
Darrow nodded, but would not explain.
"What will be the outcome?"
"I am going to cut loose from science and guess wildly," said Darrow, after a moment. "To-morrow morning, somewhere about ten, McCarthy will disappear."
"You said that before!" cried Jack.
"Well, I say it again," drawled Darrow.