Frank was startled, to say the least. He looked at the man searchingly, wondering now that the duke could be as calm as he seemed. It was plain he had more nerve than Merry had thought.

“The tenth day!” exclaimed Frank. “Then your time is up!”

“Yes,” said the duke, with strange calmness.

“That means——”

Merry stopped.

“I have told you what it means.”

“And you have not heeded the warning?”

“I have not been driven from France.”

“And you do not fear the Black Brothers?”

The French nobleman drew himself up proudly.