carefully, and having discovered that no one was about, eventually dropped.
"Now," said the guide, as soon as we were down, "we must run along here, and turn to the left."
We did so, to find ourselves in a broader street, which eventually brought us out into the thoroughfare through which we had passed to reach the mosque.
Having got our bearings now, we headed for the harbour, or at least for that part of the town with which I was best acquainted, as fast as our legs would carry us. But, startling as they had been, we had not yet done with adventures for the night.
Once in the security of the gaslit streets, we said good-bye to the men who had got us into all the trouble, and having come to terms with our guide, packed him off and proceeded upon our way alone.
Five minutes later the streaming lights of an open doorway brought us to a standstill, and one glance told us we were looking into the Casino. The noise of the roulette tables greeted our ears, and as we had still plenty of time, and my companion was not tired, I thought it a good opportunity for showing him another phase of the seamy side of life.
And here I must chronicle a curious circumstance. As we were entering the building, something, I cannot tell what, impelled me to look round. I did so, and to my intense astonishment saw, or believed I saw, Dr. Nikola standing in the street, regarding me. Bidding my companion remain where he was for a moment, I dashed out again and ran towards the place where I had seen the figure. But I was too late. If it was Dr. Nikola, he had vanished as suddenly as he had come. I hunted here, there, and everywhere, in doorways, under verandahs, and down lanes, but it was no use,
