Or Grim might have been called off for some other important business.

The chances seemed all against my going after all.
But on the fourth evening, just at sunset, when the sandwiches I had ordered in advance were all thoroughly stale and I had almost decided to unpack the small hand-grip and try to forget the whole affair, I noticed an Arab standing in the door of the hotel scrutinizing every one who passed him.

I watched him for five minutes.

He paid no attention to officers in uniform.

I left my chair in the lobby and walked past him twice.
He had one eye, like a gimlet on a universal joint; he turned it this and that way without any corresponding movement of his head.