Even as he spoke a truck drew up outside the door and two burly negroes entered. The Levantine seemed to have expected them, for he merely waved them toward the back of the shop and they responded with a grunt of understanding.

Gordon and I watched them closely as they made their way to a large mummy-case which stood upright against the wall not far from the back. They lowered this to a level position and then started for the door, carrying it carefully between them.

"Halt!" Gordon stepped forward, raising his hand authoritatively.


"Halt!" Gordon stepped forward, raising his hand authoritatively.


"I represent Scotland Yard," he said swiftly, "and have sanction for anything I choose to do. Set that mummy down; nothing leaves this shop until we have thoroughly searched it."

The negroes obeyed without a word and my friend turned to the Levantine, who, apparently not perturbed or even interested, sat smoking a Turkish water-pipe.

"Who was that tall man who entered just before we did, and where did he go?"