“But Armstrong is not really a doctor in practice. He is a lecturer and a consultant, but he does not care for general practice, which distracts him from his literary work. Why, then, does he make these long journeys, which must be exceedingly irksome to him, and who is it that he visits?”

“His coachman⁠—”

“My dear Watson, can you doubt that it was to him that I first applied? I do not know whether it came from his own innate depravity or from the promptings of his master, but he was rude enough to set a dog at me. Neither dog nor man liked the look of my stick, however, and the matter fell through. Relations were strained after that, and further inquiries out of the question. All that I have learned I got from a friendly native in the yard of our own inn. It was he who told me of the doctor’s habits and of his daily journey. At that instant, to give point to his words, the carriage came round to the door.”

“Could you not follow it?”