“The art of being happy,” he said as he pushed back his plate and lit a cigarette, “is to want nothing. Then you’re always getting more than you need. How is your sister?”

“She’s all right,” said Ray indifferently. “Ella’s the same mind as you. It’s easy to be a philosopher over other people’s worries. Who’s that disreputable bird?” he added, as a man seated himself at a table opposite to them.

Philo fixed his glasses—he was a little near-sighted.

“That’s Elk—a Scotland Yard man,” he said, and grinned at the new-comer, a recognition which, to Ray’s annoyance—and his annoyance was tinged with uneasiness—brought the seedy man to their table.

“This is my friend, Mr. Bennett—Inspector Elk, Ray.”

“Sergeant,” suggested Elk dourly. “Fate has always been against me in the matter of promotion. Can’t remember dates.”

So far from making a secret of his failure, Mr. Elk was never tired of discussing the cause.

“Though why a man is a better thief-taker for knowin’ when George Washington was born and when Napoleon Bonaparte died, is a mystery to me. Dine here every day, Mr. Bennett?”

Ray nodded.

“Know your father, I think—John Bennett of Horsham, isn’t it? Thought so.”