"May I ask how you knew all that?" asked Solomon, deeply impressed. "Such penetration strikes me as marvellous." "I didn't know it," replied the stranger, with a smile. "What I said was intended to be jocular, and to put Brokedale at his ease. The Americans present, with their usual astuteness, would term it bluff. It was. I merely rattled on. I simply did not wish to offend the gentleman by letting him know that I had penetrated his disguise. Imagine my surprise, however, when his eye brightened as I spoke, and he entered my room with such alacrity that half the powder which he thought disguised his beard was shaken off on to the floor. Sitting down in the chair I had just vacated, he quietly remarked: "'You are a wonderful man, sir. How did you know that I had lost my watch?' "For a moment I was nonplussed; more than that, I was completely staggered. I had expected him to say at once that he had not lost his watch, but had come to see me about the tiara; and to have him take my words seriously was entirely unexpected and overwhelmingly surprising. However, in view of his rank, I deemed it well to fall in with his humor. 'Oh, as for that,' I replied, 'that is a part of my business. It is the detective's place to know everything; and generally, if he reveals the machinery by means of which he reaches his conclusions, he is a fool, since his method is his secret, and his secret his stock in trade. I do not mind telling you, however, that I knew your watch was stolen by your anxious glance at my clock, which showed that you wished to know the time. Now most rich Americans have watches for that purpose, and have no hesitation about showing them. If you'd had a watch, you'd have looked at it, not at my clock.' "My visitor laughed, and repeated what he had said about my being a wonderful man. "'And the dents which my son made cutting his teeth?' he added. "'Invariably go with an American's watch. Rubber or ivory rings aren't good enough for American babies to chew on,' said I. 'They must have gold watches or nothing.' "'And finally, how did you know I was a rich American?' he asked. "'Because no other can afford to stop at hotels like the Savoy in the height of the season,' I replied, thinking that the jest would end there, and that he would now reveal his identity and speak of the tiara. To my surprise, however, he did nothing of the sort.