leave it to you, then, whether or not you wish to arrest him.'
Charles was considerably puzzled, not to say piqued, by this curious reticence; he begged hard for names; but Medhurst was adamant. 'No, no,' he replied; 'we detectives have our own just pride in our profession. If I told you now, you would probably spoil all by some premature action. You are too open and impulsive! I will mention this alone: Colonel Clay will be shortly in Paris, and before long will begin from that city a fresh attempt at defrauding you, which he is now hatching. Mark my words, and see whether or not I have been kept well informed of the fellow's movements!'
He was perfectly correct. Two days later, as it turned out, Charles received a 'confidential' letter from Paris, purporting to come from the head of a second-rate financial house with which he had had dealings over the Craig-Ellachie Amalgamation—by this time, I ought to have said, an accomplished union. It was a letter of small importance in itself—a mere matter of detail; but it paved the way, so Medhurst thought, to some later development of more serious character. Here once more the man’s singular foresight was justified. For, in another week, we received a second communication, containing other proposals of a delicate financial character, which would have involved the transference of some two thousand pounds to the head of the Parisian firm at an address given. Both these letters Med-
