“I left Bogota the day after I came out of the trance. My distrust of Raoul and the horror that I felt for everything connected with my mysterious experience, made my stay there more than I could stand. But we parted friends, and I’ve sent him money to go on with the excavations. How he’s getting on I can’t tell you. I’ve lost my interest in El Dorado. I won’t visit Bogota again.”

For some minutes Leighton paced up and down the shadowy room. Then he stopped, with the air of one who has reached a decision.

“Our course is plain,” he announced.

“I’ve tried everything; there’s nothing to be done,” said the other hopelessly.

“David, you’ve missed the obvious thing,” was the emphatic reply. “We must go to Bogota.”

“Go to Bogota!”

“You and I will face Arthur together. If he knows anything more about this matter, he’s bound to tell us. If he doesn’t know—if your suspicions are groundless—we’ll solve the mystery of those three months some other way. And perhaps we’ll stumble upon your Gilded Man at the same time,” he added with a chuckle.

“And Una——?”

“She has a way of deciding things for herself. For all I know she may want to go with us.”

“Would you consent?”