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234 crime, Heaven knew! If the modern feebleness of impulse in the comfortable classes, and their respect for the modern apparatus of detection, had made it rare among them, it was yet far from impossible. It only needed a man of equal daring and intelligence, his soul drugged with the vapours of an intoxicating intrigue, to plan and perform such a deed.

A thousand times, with a heart full of anguish, he had sought to reason away the dread that Mabel Manderson had known too much of what had been intended against her husband's life. That she knew all the truth after the thing was done he could not doubt; her unforgettable collapse in his presence when the question about Marlowe was suddenly and bluntly put, had swept away his last hope that there was no love between the pair, and had seemed to him, moreover, to speak of dread of discovery. In any case, she knew the truth after reading what he had left with her; and it was certain that no public suspicion had been cast upon Marlowe since. She had destroyed his manuscript, then, and taken him at his word to keep the secret that threatened her lover's life.

But it was the monstrous thought that she