it would seem that our problem was solved, and that the stranger went to the summer-house to meet Ursula Bourne. It was fairly certain that he did go to the summer-house because of the goose quill. That suggested at once to my mind a taker of drugs—and one who had acquired the habit on the other side of the Atlantic where sniffing 'snow' is more common than in this country. The man whom Dr. Sheppard met had an American accent, which fitted in with that supposition.
"But I was held up by one point. The times did not fit. Ursula Bourne could certainly not have gone to the summer-house before nine-thirty, whereas the man must have got there by a few minutes past nine. I could, of course, assume that he waited there for half an hour. The only alternative supposition was that there had been two separate meetings in the summer-house that night. Eh bien, as soon as I went into that alternative I found several significant facts. I discovered that Miss Russell, the housekeeper, had visited Dr. Sheppard that morning, and had displayed a good deal of interest in cures for victims of the drug habit. Taking that in conjunction with the goose quill, I assumed that the man in question came to Fernly to meet the housekeeper, and not Ursula Bourne. Who, then, did Ursula Bourne come to the rendezvous to meet? I was not long in doubt. First I found a ring—a wedding ring—with 'From R.' and a date inside it. Then I learnt that Ralph Paton had been seen coming up the path which led to the summer-house at twenty-five minutes past nine, and I also heard of a certain conversation which had taken place in
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