"Hurrah!" cried Ned.
The young inventor turned the machine on at full power. In a few minutes the Black Hawk trembled through her length.
"She's going up! Bless my balloon basket! She's going up!" cried Mr. Damon.
The natives must have suspected that something unusual was going on, for they made a sudden rush, yelling and beating their drums. Mr. Durban and the others hurried out on deck and fired at them, but there was little more need. With a bound the airship left the earth, being rapidly carried up by the gas. The blacks sent a final shower of spears after her, but only one was effective, slightly wounding the German. Then Tom started the motor, the propellers whizzed, and the Black Hawk was once more under way, just as night settled over the jungle, and upon the horde of black and howling savages that rushed around, maddened over the escape of their intended victims.
No further accidents marred the trip to the coast, which was reached in due time, and very glad our friends were to be away from the jungle and the land of the red pygmies.
A division was made of the ivory, and Tom's share was large enough to provide him with a substantial amount. Ned and Mr. Damon were also
