the surface, yet there was no life left in them once the electric charge touched them.
"We'll use the light charges when we're killing elephants for their tusks," said Tom, "and the heavy ones when we're in danger from a rush of the beasts."
He little knew how soon he would have to put his plan into effect.
They arrived safely at Majumba, the African coast city, and for two days Tom was kept busy superintending the unloading of the parts of his airship. But it was safely taken ashore, and he and his friends hired a disused warehouse in which to work at reassembling the Black Hawk.
Tom had everything down to a system, and, in less than a week the aircraft was once more ready to be sent aloft. It was given a try-out, much to the astonishment of the natives, and worked perfectly. Then Tom and his friends busied themselves laying in a stock of provisions and stores for the trip into the interior.
They made inquiries about the chances of getting ivory and were told that they were good, if they went far enough into the jungle and forests, for the big beasts had penetrated farther and farther inland.
They also tried to get some news regarding the captive missionaries, but were unsuccessful,
