bottles and test-tubes, with the pungent cleanly smell of hydrochloric acid, told me that he had spent his day in the chemical work which was so dear to him.
“Well, have you solved it?” I asked as I entered.
“Yes. It was the bisulphate of baryta.”
“No, no, the mystery!” I cried.
“Oh, that! I thought of the salt that I have been working upon. There was never any mystery in the matter, though, as I said yesterday, some of the details are of interest. The only drawback is that there is no law, I fear, that can touch the scoundrel.”
“Who was he, then, and what was his object in deserting Miss Sutherland?”
The question was hardly out of my mouth, and Holmes had not yet opened his lips to reply, when we heard a heavy footfall in the passage and a tap at the door.
“This is the girl’s stepfather, Mr. James Windibank,” said Holmes. “He has written to me to say that he would be here at six. Come in!”
The man who entered was a sturdy, middle-sized fellow, some thirty years of age, clean-shaven, and sallow-skinned, with a bland, insinuating manner, and a pair of wonderfully sharp and penetrating grey eyes. He shot a questioning glance at each of us, placed his shiny top-hat upon the sideboard, and with a slight bow sidled down into the nearest chair.
“Good evening, Mr. James Windibank,” said Holmes. “I think that this typewritten letter is from you, in which you made an appointment with me for six o’clock?”