it. Good fellows, you understand—the police. But . . . well, there's something about this affair—don't know just how to put it. Anyway, I don't like it."
Markham studied him closely for several moments.
"Just what's on your mind, Greene?"
The other crushed out his cigarette, though he had taken no more than half a dozen puffs, and drummed indecisively on the arm of his chair.
"Wish I knew. It's a rum affair—damned rum. There's something back of it, too—something that's going to raise the very devil if we don't stop it. Can't explain it. It's a feeling I've got."
"Perhaps Mr. Greene is psychic," commented Vance, with a look of bland innocence.
The man swung about and scrutinized Vance with aggressive condescension. "Tosh!" He brought out another Russian cigarette, and turned again to Markham: "I do wish you'd take a peep at the situation."
Markham hesitated. "Surely you've some reason for disagreeing with the police and appealing to me."
"Funny thing, but I haven't." (It seemed to me Greene's hand shook slightly as he lit his second cigarette.) "I simply know that my mind rejects the burglar story automatically."
It was difficult to tell if he were being frank or deliberately hiding something. I did feel, however, that some sort of fear lurked beneath his uneasiness; and I also got the impression that he was far from being heart-broken over the tragedy.
"It seems to me," declared Markham, "that the theory of the burglar is entirely consistent with the facts. There have been many other cases of a house-
