"What's the trouble, sir?"

Jonah put his head into the bonnet and exploded with silent laughter. I put my head in, too, and swore at him in a whisper. Then:

"One of the cylinders has been missing since Krainbach," he said. "I think that's the seat of the trouble. But I've only just—"

"I think it's the carburettor, sir," said I, with a finger on the float. "There's practically no petrol in it."

I tried the pressure pump, but it was no good. The petrol pipe was stopped up properly.

"You'll have to have the pipe down, sir. It's the only way."

"How long will that take?" said Lord Brethe, who was standing on the other side of the car, talking to Berry.

"It's half-an-hour's job at least, my lord."

"Oh, well, you'd better do it. Hadn't he, Dolly? We aren't pressed for time, are we, my dear?"

"Oh, no. That is—I mean, of course. Please do everything you can, Norval."