The Arab looked at him questioningly.
"You saved George Desmond's life," said the reporter shortly.
"That was many years ago," said the Arab with a start of recognition at the name of the dead explorer, "I have changed since."
With a wave of the hand he strode to the river's edge and half-an-hour later he and the remnant of his band were out of sight round a bend in the upper river.
At almost the same instant the boys soared aloft in the Golden Eagle II, and the chase for the ivory was on.
Below the flying aeroplane Ben Stubbs and old Sikaso—the latter as silent as ever—paddled down the river in silence.
It was a time for deeds, not talk.