The skeletons were not all of cattle, for at rare intervals lay the sand-worn frames of men.
On the morning of the second day the oppression increased with the wind and Red heaved a sigh of restlessness.

The sand began to skip across the plain, in grains at first and hardly noticeable.

Hopalong turned in his saddle and regarded the desert with apprehension.

As he looked he saw that where grains had shifted handfuls were now moving.

His mount evinced signs of uneasiness and was hard to control.
A gust of wind, stronger than the others, pricked his face and grains of sand rolled down his neck.