The chief officer shrugged his shoulders. “Just vanished,” he said. “I hope I don’t see it again.”

At Tilbury the Mohammedan party went ashore in a body. Among them were veiled women. They contrived so to surround a central figure that I entirely failed to get a glimpse of the mysterious Mr. Azraeel. Ahmadeen was standing close by the companion-way, and I had a momentary impression that one of the women slipped something into his hand. Certainly, he started; and his dusky face seemed to pale.

Then a deck steward came out of Deeping’s stateroom, carrying the brown bag which the Professor had brought aboard at Port Said. Deeping’s voice came:

“Hi, my man! Let me take that bag!”

The bag changed hands. Five minutes later, as I was preparing to go ashore, arose a horrid scream above the berthing clamour. Those passengers yet aboard made in the direction from which the scream had proceeded.

A steward—the one to whom Professor Deeping had spoken—lay writhing at the foot of the stairs leading to the saloon-deck. His right hand had been severed above the wrist!

CHAPTER II
THE GIRL WITH THE VIOLET EYES

During the next day or two my mind constantly reverted to the incidents of the voyage home. I was perfectly convinced that the curtain had been partially raised upon some fantasy in which Professor Deeping figured.

But I had seen no more of Deeping nor had I heard from him, when abruptly I found myself plunged again into the very vortex of his troubled affairs. I was half way through a long article, I remember, upon the mystery of the outrage at the docks. The poor steward whose hand had been severed lay in a precarious condition, but the police had utterly failed to trace the culprit.

I had laid down my pen to relight my pipe (the hour was about ten at night) when a faint sound from the direction of the outside door attracted my attention. Something had been thrust through the letter-box.