cards, the highest hand I could possibly have held would have been four of a kind. Cleaver knew this, and having a straight-flush, he also knew, before he raised my bet, that he had me beaten. At once I realized that he was not the man I was after."
"By what reasoning?"
"A poker-player, Markham, who would bet on a sure-thing is one who lacks the egotistical self-confidence of the highly subtle and supremely capable gambler. He is not a man who will take hazardous chances and tremendous risks, for he possesses, to some degree, what the psychoanalysts call an inferiority complex, and instinctively he grasps at every possible opportunity of protecting and bettering himself. In short, he is not the ultimate, unadulterated gambler. And the man who killed the Odell girl was a supreme gambler who would stake everything on a single turn of the wheel, for, in killing her, that is exactly what he did. And only a gambler whose paramount self-confidence would make him scorn, through sheer egotism, to bet on a sure-thing, could have committed such a crime.—Therefore, Cleaver was eliminated as a suspect."
Markham was now listening intently.
"The test to which I put Spotswoode a little later," Vance went on, "had originally been intended for Mannix, but he was out of the game. That didn't matter, however, for, had I been able to eliminate both Cleaver and Spotswoode, then Mannix would undoubtedly have been the guilty man. Of course I would have planned something else to substantiate the fact; but, as it was, that wasn't necess'ry. . . . The test I applied to Spots-
