Mr. Cameron himself was feeling extremely triumphant and as strong as a lion. He was rather sorry no one had seen the affair, but that of course was sub-conscious. And he was more cheerful than he had been for some days. He had been up against so many purely intangible obstacles lately that it was a relief to find one he could use his fists on.

"Now I'll have a few words with you, my desperate friend," he said. "I've got your gun, and I am hell with a revolver, because I've never fired one, and there's a sort of homicidal beginner's luck about the thing. If you move or speak, I'll shoot it into you first and when it's empty I'll choke it down your throat and strangle you to death."

After which ferocious speech he strolled up the path, revolver in hand, and rang the doorbell. He put the weapon in his pocket then, but he kept his hand upon it. He had read somewhere that a revolver was quite useable from a pocket. There was no immediate answer to the bell, and he turned and surveyed the man under the tree, faintly distinguishable in the blackness. It had occurred to him that the number of guns a man may carry is only limited to his pockets, which are about fifteen.

There were heavy, deliberate footsteps inside, and the door was flung open. No glare of light followed it, however. There was a man there, alarmingly tall, who seemed to stare at him, and then beyond him into the yard.

"Well?"

"Are you Mr. Doyle?"

"I am."

"My name is Cameron, Mr. Doyle. I have had a small difference with your watch-dog, but he finally let me by."

"I'm afraid I don't understand. I have no dog."

"The sentry you keep posted, then." Mr. Cameron disliked fencing.

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"Ah!" said Mr. Doyle, urbanely. "You have happened on one of my good friends, I see. I have many enemies, Mr. Cameron--was that the name? And my friends sometimes like to keep an eye on me. It is rather touching."

He was smiling, Mr. Cameron knew, and his anger rose afresh.

"Very touching," said Mr. Cameron, "but if he bothers me going out you may be short one friend. Mr. Doyle, Miss Lily Cardew left her home to-night. I want to know if she is here."

"Are you sent by her family?"

"I have asked you if she is here."

Jim Doyle apparently deliberated.