I was acting as secretary to Maître Barbet Delatour. Monsieur Robert Darzac, who was at that time about forty years of age, was a professor of physics at the Sorbonne. He was intimately acquainted with the Stangersons, and, after an assiduous seven years' courtship of the daughter, had been on the point of marrying her. In spite of the fact that she has become, as the phrase goes, "a person of a certain age," she was still remarkably good-looking.
While I was dressing I called out to Rouletabille, who was impatiently moving about my sitting-room:—
"Have you any idea as to the murderer's station in life?"
"Yes," he replied; "I think if he isn't a man in society, he is, at least, a man belonging to the upper class. But that, again, is only an impression."
"What has led you to form it?"
"Well,—the greasy cap, the common handkerchief, and the marks of the rough boots on the floor," he replied.
"I understand," I said; "murderers don't leave traces behind them which tell the truth."
"We shall make something out of you yet, my dear Sainclair," concluded Rouletabille.
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