"How do you connect this gentlemanly spook with the treasure, your Excellency?" burst in Jarvis, with a swift look of interrogation which discomfited the nobleman.

"Spook? Treasure? I see no connection. What do you mean?"

"Oh, there is always money when the ghost walks," was the mysterious reply of the American, wasted on the untheatrical Spaniards. "That is the first premise upon which a reliable scientific Ghost Breaker begins his task of investigation."

"I don't know what your experience may have been, Mr. Warren. You are evidently a brave man, but you have yet to encounter a ghost like this supernatural spirit. Things are different in the Old World!"

Warren Jarvis sniffed.

"Huh! Brave? It takes no bravery to fight a coward—that is what the ghost is. It's a coward like every other stealthy, sneaking spirit, afraid to show itself by daylight, in the glare of the sun. I can tell you now that men are not half so afraid of spirits as the spirits are afraid of men. If you face the supernatural, it is more than half beaten to a frazzle, before the fight begins. In my professional career I have learned that ghosts, horse thieves, and peevish wildcats can all be tamed by the same little charm."

The Princess was mystified.

"Charm? What do you mean—a relic?"

The Duke leaned forward, his eyes sparkling with interest.

"What is it?"