"What's up now?" cried Ned.
"Something important, I'll wager," replied Tom. "Ned, you go back to the missionaries' house, and find out what it is. I'm going to stand guard over my camera."
"It's come!" cried Ned a little later, as he hurried into the interior of the airship, where Tom was busy working over a new attachment he intended putting on his picture machine.
"What has?"
"War! That native, whom we saw running in, brought news that the battle would take place day after to-morrow. The enemies of his tribe are on the march, so the African spies say, and he came to summon all the warriors from this town. We've got to get busy!"
"That's so. What about those Enghlishmen?"
"They were talking to the missionaries when the runner came in. They pretended to have no interest in it, but I saw one wink to the other, and then, very soon, they went out, and I saw them talking to their native bearers, while they were busy over that box you said was a picture machine."
"I knew it, Ned! I was sure of it! Those fellows came here to trick us, though how they ever followed our trail I don't know. Probably they came by a fast steamer to the West Coast,
