MR. BLAND TORE HIS hair in his perplexity. "This is rank lunacy, Hood!" he cried. "Does a train vanish into thin air in England in broad daylight? The thing is preposterous. An engine, a tender, two carriages, a van, five human beings—and all lost on a straight line of railway! Unless we get something positive within the next hour I'll take Inspector Collins, and go down myself." And then at last something positive did occur. It took the shape of another telegram from Kenyon Junction. "Regret to report that the dead body of John Slater, driver of the special train, has just been found among the gorse bushes at a point two and a quarter miles from the Junction. Had fallen from his engine, pitched down the embankment, and rolled among the bushes. Injuries to his head, from the fall, appea