“I didn’t notice,” was the answer.

“Which way did it go?” went on the tall lad, turning to the robber who went by the name of Black or Clark.

“Hey?” The man gazed almost stupidly at Jerry. There was a strange light in his eyes.

“Which way did the airship go?” repeated the lad.

“It went to Africa,” was the unexpected answer. “The engine was set to carry it to Borneo, and from there we are to pick up the Japanese Mikado and go on a pleasure jaunt in the Andes mountains. We’re going to race with the condor birds. Ha! Ha! We’ll lead a jolly life. Pass over that juice, Bill, I’ve got the hole drilled!” he exclaimed. “Look out now! It’s going off! Oh, maybe we haven’t made a haul this time.”

With a shriek he fell back on the cot, beside his companion who was moaning in pain.

“Delirious—out of his head,” murmured Professor Snodgrass. “I doubt if we can get any more information from either of them right away. They must have medical attention, and the police must come here.”

“I’ll go for them,” volunteered Jerry. “Ned and I can manage the Comet if you and Bob will stay here and guard them.”

“I’ll help,” volunteered the farmer. “I’m with you boys now.”