Hello Yes-I'm Maurice Wynn. Who are you?" "Harding. I've been ringing you up at intervals for hours. Carson's ill, and you're to relieve him. Come round for instructions to-night. Lord Southbourne will give them you himself. Eh? Yes, Whitehall Gardens. Ten-thirty, then. Right you are." I replaced the receiver, and started hustling into my dress clothes, thinking rapidly the while.