"No," replied Thorndyke. "We are bound for Warmington on a quite prosaic errand. I am instructed to watch the proceedings at an inquest there to-morrow on behalf of the Griffin Life Insurance Office, and we are travelling down to-night as it is rather a cross-country journey."
"But why the box of magic?" asked Boscovitch, glancing up at the hat-rack.
"I never go away from home without it," answered Thorndyke. "One never knows what may turn up; the trouble of carrying it is small when set off against the comfort of having appliances at hand in an emergency."
Boscovitch continued to stare up at the little square case covered with Willesden canvas. Presently he remarked: "I often used to wonder what you had in it when you were down at Chelmsford in connection with that bank murder—what an amazing case that was, by the way, and didn't your methods of research astonish the police!" As he still looked up wistfully at the case, Thorndyke good-naturedly lifted it down and unlocked it. As a matter of fact he was rather proud of his "portable laboratory," and certainly it was a triumph of condensation, for, small as it was—only a foot square by four inches deep—it contained a fairly complete outfit for a preliminary investigation.
"Wonderful!" exclaimed Boscovitch, when the
