'Ah, what a thing it would be for us if his Inca Highness were really only asleep, as he looks to be! Just think what he could tell us--how easily he could re-create that lost wonderland of his for us, what riddles he could answer, what lies he could contradict. And then think of all the lost treasures that he could show us the way to. Upon my word, if Mephistopheles were to walk into this room just now, I think I should be tempted to make a bargain with him. Do you know, Djama, I believe I would give half the remainder of my own life, whatever that may be, to learn the secrets that were once locked up in that withered, desiccated brain of his.'

The speaker was one of two men who were standing in a large room, half-study, half-museum, in a big, old-fashioned house in Maida Vale. Wherever the science of archoeology was studied, Professor Martin Lamson was known as the highest living authority on the subject of the antiquities of South America. He had just returned from a year's relic-hunting in Peru and Bolivia, and was enjoying the luxury of unpacking his treasures with the almost boyish delight which, under such circumstances, comes only to the true enthusiast. His companion was a somewhat slenderly-built man, of medium height, whose clear, olive skin, straight, black hair, and deep blue-black eyes betrayed a not very remote Eastern origin.