"Here's where you should ought to lose yo're name," he suggested.
Bill winked at him and slouched away to become mixed up in the crowd. The checkerboard rear wall obtruded itself upon his vision and he went back and found a seat not far from it and from Kit Thorpe, bodyguard of the invisible proprietor, who sat against the door leading through the partition. Thorpe coldly acknowledged the stranger's nod and continued to keep keen watch over the crowd and the distant front door.
The day was very dull, the sun's rays baffled by the swirling sand, and the hanging kerosene lamps were lit, and as an occasional thundering gust struck the building and created air disturbances inside of it the lamps moved slightly to and fro and added a little more soot to the coating on their chimneys. Bill's natural glance at the unusual design of the rear wall caught something not usual about it and caused an unusual activity to arise in his mind. He knew that his eyes were sore and inflamed, but that did not entirely account for the persistent illusion which they saw when his roving glance, occasionally returning to the wall, swept quickly over it. There were several places where the black was a little blacker, and these spots moved on their edges, contracting and lengthening as the lamps swung gently. Pulling the brim of his hat over his eyes, he faced away from the wall and closed his burning eyelids, but his racing thoughts were keen to solve any riddle which would help to pass the monotonous time. Another veiled glance as he shifted to a more comfortable position gave him the explanation he sought. Those few black squares had been cut out, and the moving strips of
