"Do you dare?"

"What is there to fear?"

"Much."

Frank snapped his fingers.

"Your tune has changed in the twinkling of an eye. You are no longer the heart-broken father, begging for his boy; but you have flung aside some of the mask, and exposed your true nature."

Professor Scotch saw this was true, and he was quaking with fear of what might follow this remarkable change.

As for Hans, it took some time for ideas to work their way through his brain, and he was still in a bewildered condition.

For a moment the stranger was silent, seeming to choke back words which rose in his throat. Finally, he cried:

"Oh, very well! I did not expect to get anything out of you; but it would have been far better for you if I had. Now——"

"What?"