Rrisa added: "The Master has but to command, and it is done!" Then once more they plowed on down the shore.
Only a few minutes more brought them, with surprising suddenness, to the end of the Legionaries' trench.

Trench it no longer was, however.
All the paltry digging had been swiftly filled in by the sand-devils; and now the men were lying under the lee of the dunes, protecting themselves as best they could with the tunics of their uniforms over their heads.
They got up and came stumbling in confusion to greet the returning trio.

Peering in the dark, straining their eyes to see, they listened to a few succinct words of the Master: "Perfect success! Lethalizing was complete.

Sand has buried the entire tribe.

Leclair found his former orderly, who had been their slave.
We have here their Sheik, Abd el Rahman.