"Every hour may add to the danger of the missionaries in the hands of the red pygmies."
"Yes," said Mr. Anderson gravely, "it is our duty to save them."
And so the airship mounted into the air, our friends waving farewells to the simple-hearted blacks, who did a sort of farewell war-dance in their honor, shouting their praises aloud, and beating the drums and tom-toms, so that the echoes followed for some time after the Black Hawk had begun to mount upward toward the sky.
The craft was in excellent shape, due to the overhauling Tom had given it while making the repairs. With the propellers beating the air, and the rudder set to hold them about two thousand feet high, the travelers moved rapidly over clearings, forests and jungles.
It was agreed that now, when they had made such a good start in collecting ivory, that they would spend the next few days in trying to get on the trail of the red pygmies. It might seem a simple matter, after knowing the approximate location of the land of these fierce little natives, to have proceeded directly to it. But Africa is an immense continent, and even in an airship comparatively little of the interior can be seen at a time.
