The Nubians had him at their mercy.

As his brain struggled to regain its understanding, he saw, as in a dream, David enter the court-yard and come towards Kaid.
Suddenly David stopped in amazement, seeing Achmet.

Inquiringly he looked at Kaid, who spoke earnestly to him in a low tone.

Whereupon David turned his head away, but after a moment fixed his eyes on Achmet.
Kaid motioned all his startled guests to come nearer.

Then in strong, unmerciful voice he laid Achmet's crime before them, and told the story of the bridge-opener, who had that day expiated his crime in the desert by the hands of Mahommed--but not with torture, as Mahommed had hoped might be.
"What shall be his punishment--so foul, so wolfish ?" Kaid asked of them all.