Ere he had ascended the steps of the house, the splendid car, which only a few weeks before had made a record on the Brooklands track, moved off to the well-appointed garage, where he kept his three other cars.

On entering his own luxurious little den on the left of the hall, he found Jim Jannaway comfortably ensconced before the fire, smoking one of his choicest cigars and with a whisky and soda at his elbow.

“Hulloa!” exclaimed Sir Felix surprised. “I thought you were on your way out to the East? You were to have left this morning, weren’t you?” And he threw off his heavy coat and stood with his back to the fire.

“Yes. But I’ve remained, because I’ve discovered something,” replied the other. “I’ve found out the reason why that girl Griffin got away.”

“Oh! Why?” asked Challas quickly. “It was a great misfortune for us. She’s evidently discovered who we are, and why we wanted the information.”

“Well—he played us false.”

“Who—Mullet?”

“Yes. The girl appealed to his honour, and all that, and he found out that she was a friend of that Doctor Diamond, the fellow who attended Holmboe before he died and got hold of a portion of his papers. This man, it appears, had befriended Mullet in some way—so he, like a fool, let her go.”

“Fool—idiot!” cried Challas. “Then the brute’s betrayed us!”

“Absolutely!”