I have felt it in Africa, and yet it is a child of the north. The sunlight banishes it like the mist. Consider this fact, gentlemen. Among the Orientals life has no value; resignation is natural. The nights are clear and empty of the somber spirit of unrest which haunts the brain in cooler lands. In the Orient panic is known, but not fear.
"Well, then! Here is the incident that befell me in Africa.
"I was crossing the great sands to the south of Onargla. It is one of the most curious districts in the world. You have seen the solid continuous sand of the endless ocean strands. Well, imagine the ocean itself turned to sand in the midst of a storm. Imagine a silent tempest with motionless billows of yellow dust. They are high as mountains, these uneven, varied surges, rising exactly like unchained billows, but still larger, and stratified like watered silk. On this wild, silent, and motionless sea, the consuming rays of the tropical sun are poured pitilessly and directly. You have to climb these streaks of red-hot ash, descend again on the other side, climb again, climb, climb without halt, without repose, without shade. The horses cough, sink to their knees and slide down the sides of these remarkable hills.
"We were a couple of friends followed by eight spahis and four camels with their drivers. We were no longer talking, overcome by heat, fatigue, and a thirst such as had produced this burning desert. Suddenly one of our men uttered a cry. We all halted, surprised by an unsolved phenomenon known only to travelers in these trackless wastes.
"Somewhere, near us, in an indeterminable direction, a drum was rolling, the mysterious drum of the sands. It was beating distinctly, now with greater resonance and again feebler, ceasing, then resuming its uncanny roll.