woode was pretty well explained by the gentleman himself. As he said, not one player in a thousand would have wagered the limit against a pat hand, when he himself held nothing. It was tremendous—superb! It was probably the most remarkable bluff ever made in a game of poker. I couldn't help admiring him when he calmly shoved forward all his chips, knowing, as I did, that he held nothing. He staked everything, d' ye see, wholly on his conviction that he could follow my reasoning step by step and, in the last analysis, outwit me. It took courage and daring to do that. And it also took a degree of self-confidence which would never have permitted him to bet on a sure-thing. The psychological principles involved in that hand were identical with those of the Odell crime. I threatened Spotswoode with a powerful hand—a pat hand—just as the girl, no doubt, threatened him; and instead of compromising—instead of calling me or laying down—he outreached me; he resorted to one supreme coup, though it meant risking everything. . . . My word, Markham! Can't you see how the man's character, as revealed in that amazing gesture, dovetails with the psychology of the crime?"
Markham was silent for a while; he appeared to be pondering the matter.
"But you yourself, Vance, were not satisfied at the time," he submitted at length. "In fact, you looked doubtful and worried."
"True, old dear. I was no end worried. The psychological proof of Spotswoode's guilt came so dashed unexpectedly—I wasn't looking for it, don't y' know. After eliminating Cleaver I had a parti pris,
