“These are sad days for all of us,” he said benignly. “I have been telling Lord Romsey of some of my experiences in Brussels. I was American chaplain at the new church there when the war broke out. I have seen sights which I shall never forget, horrors the memory of which will never leave me.” The secretary nodded sympathetically. He was trying to get off early, however, and he had heard a good deal already about Belgium. “Will you let one of the servants fetch you a taxicab?” he suggested. “I prefer to walk a little distance,” Mr. Sidney replied. “I am quite at home in London. I was once, in fact, invited to take up a pastorate here. I wish you good-day, sir. I have had a most interesting conversation with your chief, a conversation which will dwell for a long time in my memory.” The secretary bowed and Mr. Sidney walked slowly to the corner of the Square. Arrived there, he hailed a passing taxicab which drew up at once by the side of the kerb. In stepping in, he brushed the shoulder of a man who had paused to light a cigarette. He lingered for a moment to apologise. “I beg your pardon,” he commenced-- For a single moment his self-possession seemed to desert him. He looked into the cold, incurious face of the man in an officer’s uniform who was already moving away, as though he had seen a ghost. His hesitation was a matter of seconds only, however. “It was very clumsy of me,” he concluded. Major Thomson touched his cap as he moved off. “Quite all right,” he said serenely. CHAPTER VI