He invited the professor and Harvey to dine with him at his hotel, intending to go to the theater afterward, but this intention was frustrated by the visit of Captain Cannon, who sent up his card saying he wanted to see him on urgent business.

Jack stepped into an inner room and at once accorded him an interview.

"Very sorry to trouble you about an unpleasant matter," said the captain. "But Lord Maltravers has asked me to act as his friend."

"I understand," replied Jack. "You have heard all about this unfortunate business."

"Surely, and if a blow had not been struck we could have arranged it. As it is, a meeting must take place."

"Where?"

"At Calais, by daybreak to-morrow morning."

"So soon?"

"Yes, it is useless to delay," replied the captain. "The express train leaves at half-past eight. Who is your second?"

"Mr. Harvey."