call by Dr. Leslie for the police, the departure of the Coroner
with Masterson in custody, and the efforts of Dr. Ross to calm his
now almost hysterical patient, Mrs. Maitland.

Then a calm seemed to settle down over the old laboratory which
had so often been the scene of such events, tense with human
interest. I could scarcely conceal my amazement, as I watched
Kennedy quietly restoring to their places the pieces of apparatus
he had used.

"What's the matter?" he asked, catching my eye as he paused with
the tintometer in his hand.

"Why," I exclaimed, "that's a fine way to start a month! Here's
just one day gone and you've caught your man. Are you going to
keep that up? If you are--I'll quit and skip to February. I'll
choose the shortest month, if that's the pace!"

"Any month you please," he smiled grimly, as he reluctantly placed
the tintometer in its cabinet.

There was no use. I knew that any other month would have been just
the same.

"Well," I replied weakly, "all I can hope is that every day won't
be as strenuous as this has been. I hope, at least, you will give
me time to make some notes before you start off again."

"Can't say," he answered, still busy returning paraphernalia to
its accustomed place. "I have no control over the cases as they