All these preparations had gone forward with breathless haste, for the Arab raiders were closing in fast.

Leaving Dan behind, Dick advanced to meet them, carrying a white flag; one of the first fabrics woven on his looms. He did not want to begin hostilities until he was quite certain that the Arabs were bent on war, and waved the flag as a signal.

But Dick was not long left in doubt as to their hostile purpose.

The Arabs began shooting at the flag of truce long before they were within rifle range. Bullets threw up puffs of dust in the desert and Dick retreated to the first line, where archers were crouching behind scattered boulders, and took refuge.

The thunder of hoof beats was loud in his ears, the tossing heads and flying foam of the horses showed clearly, before Dick shouted:

"Let them have it!"

Raal echoed his command. "Let them have it! Tahara, hal!"

Instantly the band of horsemen was stung by a cloud of arrows. Horses and riders were pierced by the flint-tipped arrows and a dozen saddles showed empty as the horses galloped on.

There was a shout of rage and surprise. The raiders had expected no such fierce resistance and some shrieked to Allah and Mohammed, his prophet, while others vented screams of pain.

"Slay them! The dogs of unbelievers!" shouted Abdul, their leader.