showed every appearance of fright at the sight of the airship throbbing along over their heads.
On passing over the lake, Ned Newton looked down and cried out excitedly:
"Look! Elephants! They're in swimming, and the natives are shooting them! Now's our chance, Tom!"
Mr. Anderson and Mr. Durban, after a quick glance, drew back laughing.
"Those are hippopotami!" exclaimed the old elephant man. "Good hunting, if you don't care what you shoot, but not much sport in it. It will be some time yet before we see any elephants, boys."
Ned was rather chagrined at his mistake, but the African travelers told him that any one, not familiar with the country, would have made it, especially in looking down from a great height.
They sailed along about half a mile above the earth, Tom gradually increasing the speed of the ship, as he found the machinery to be working well. Dinner was served as they were crossing a high grassy plateau, over which could be seen bounding a number of antelopes.
"Some of those would go good for a meal," said Mr. Durban, after a pause, during which he watched the graceful creatures.
