He kept a lookout for Barney and the captain.
But for some inexplicable reason they did not seem to show up. Soon twilight came.
“That is queer,” he muttered, “they are making a long trip. It is time that they should return.”
“Dat am a fac’, sah,” averred Pomp; “reckon dat wild I’ishman hab led dem away somewhere.”
Frank fretted and fumed for a long time. Certainly they had ought to be on hand by this time.
Darkness came. Then he made up his mind that something was wrong.
Either something had befallen them or they were lost. He credited the latter assumption.
The air-ship was lit-up by the electric lamps and until a late hour watch was kept. Then Frank went into the pilot-house.
“We have got to go to their rescue,” he said.
“Golly, Marse Frank!” exclaimed Pomp, “how we know whar to look fo’ dem?”