that, except in art, an animal's face in repose has always the same expression. But this is not a real animal. Newfoundland dogs are pretty mild looking, you know; what's the matter with this one?"
"Really, my diagnosis would have no value: I am not going to treat the dog."
The physician laughed at his own pleasantry, but narrowly watched his patient from the corner of his eye. Presently he said: "Fleming, your description of the beast fits the dog of the late Atwell Barton."
Fleming half-rose from his chair, sat again and made a visible attempt at indifference. "I remember Barton," he said; "I believe he was—it was reported that—wasn't there something suspicious in his death?"
Looking squarely now into the eyes of his patient, the physician said: "Three years ago the body of your old enemy, Atwell Barton, was found in the woods near his house and yours. He had been stabbed to death. There have been no arrests; there was no clew. Some of us had 'theories.' I had one. Have you?"
"I? Why, bless your soul, what could I know about it? You remember that I left for Europe almost immediately afterward—
