I was on the point of guessing the truth, through his resemblance to a photograph which had recently appeared in the papers, when Lupin turned to me: "My dear chap, let me introduce M. Isidore Beautrelet." And, addressing the young man, he continued, "I have to thank you, M. Beautrelet, first, for being good enough, on receipt of a letter from me, to postpone your revelations until after this interview and, secondly, for granting me this interview with so good a grace." Beautrelet smiled: "Allow me to remark that my good grace consists, above all, in obeying your orders. The threat which you made to me in the letter in question was the more peremptory in being aimed not at me, but at my father." "My word," said Lupin laughing, "we must do the best we can and make use of the means of ac