"Self-education is a jolly good thing," said he.

"Learn all you can, and you'll be a famous fellow one of these days.

But you must cultivate a sense of humour." Paul was about to seek enlightenment as to this counsel when Barney Bill appeared, cool and refreshed, from the inn door, and lifted a cheery voice.

"Let's be getting along, sonny." Rowlatt held up a detaining hand.

"Just a couple of minutes, if you can spare them.