Apparently I had not scored a hit, but the loud reports of the weapon aroused the men sleeping in the camp, and soon I was surrounded by a ring of inquiring faces.

But there I stood on the rock-edge, looking out across the desert in silence. Something in the long, luminous eyes, something in the sinuous, flying shape had spoken to me intimately, horribly.

Hassan es-Sugra, the headman, touched my arm, and I knew that I must offer some explanation.

“Jackals,” I said shortly. And with no other word I walked back to my tent.

The night passed without further event, and in the morning we addressed ourselves to the work with such a will that I saw, to my satisfaction, that by noon of the following day the labor of clearing the loose sand would be completed.

During the preparation of the evening meal I became aware of a certain disquiet in the camp, and I noted a disinclination on the part of the native laborers to stray far from the tents. They hung together in a group, and whilst individually they seemed to avoid meeting my eye, collectively they watched me in a furtive fashion.

A gang of Moslem workmen calls for delicate handling, and I wondered if, inadvertently, I had transgressed in some way their iron-bound code of conduct. I called Hassan es-Sugra aside.

“What ails the men?” I asked him. “Have they some grievance?”

Hassan spread his palms eloquently.