I left Princes Street Station at ten minutes to ten that night by the express due in Glasgow at eleven. That hour's journey was full of excitement, for I was now upon the heels of the false Professor, whose whereabouts and assumed name Kirk knew, and with whom he had made an appointment. Was this man, known as Martin, about to meet Kirk? I laughed within myself when I reflected upon the awkward surprise which my presence there would give them. What the lodging-house keeper had told me proved conclusively that Kershaw Kirk had conspired to cause the death of poor Greer, and that the story he had told me was untrue. Yet, again, there arose in my mind the problem why, if he were the assassin, or an accomplice of the assassin, should he introduce me into that house of death--myself a comparative stranger! Alone I sat in the corner of the railway carriage, thinking it all over, and trying, as I had so continuously tried, to discern light in the darkness. I had been a fool--a confounded fool, not to inform the police of my suspicions at the outset. The girl Ethelwynn, whom I had seen lying apparently dead, whose chill flesh I had touched, was alive and well at Broadstairs! Was not that, in itself, a staggering mystery, exclusive of that secret visit of Kirk's to Foley Street, and the woman's cry in that foggy night? Was it any wonder, then, that I was neglecting my business, leaving all to Pelham, with whom I had communicated by telegram several times? Was it any wonder that, the circumstances being of so uncanny and intricate a nature, I hesitated to tell Mabel, my wife, lest I should draw her into that web of doubt, uncertainty, and grim tragedy? I had watched the columns of the _Times_ each day to discover the advertised message promised by Kirk; but there had been none. I now saw how I had been as wax in the hands of that clever, smooth-spoken cosmopolitan. I believed in men's honesty, a most foolish confidence in these degenerate days, when morality is sneered at, and honesty is declared openly to be "the worst policy." Alas! in this dear old England of ours truth and justice are to-day rapidly disappearing. Now that Mammon rules, that divorce is a means of notoriety, and that charity begins abroad with Mansion House funds for undeserving foreigners, while our starving unemployed clamour in their thousands for bread, the old order of things has, alas! changed. The honest man--though, be it said, there are still honest, sterling men in business and out of it--goes to the wall and is dubbed a fool; while the master-thief, the smug swindler, the sweater, and the promoter of bogus companies may pay his money and obtain his baronetcy, or his seat in the House of Lords, and thus hall-mark himself with respectability.