O'Connor, was touched by it and under the circumstances did what
seemed to him his higher duty with a tact of which I had believed
him scarcely capable. Whatever the ethics of the case, he left it
entirely to Dr. Leslie's coroner's jury to determine.

Burke Collins was already making hasty preparations for the care
of his wife so that she might have the best medical attention to
prolong her life for the few weeks or months before nature exacted
the penalty which was denied the law.

"That's a marvellous piece of apparatus," I remarked, standing
over the connections with the string galvanometer, after all had
gone. "Just suppose the case had fallen into the hands of some of
these old-fashioned detectives--"

"I hate post-mortems--on my own cases," interrupted Kennedy
brusquely. "To-morrow will be time enough to clear up this mess.
Meanwhile, let us get this thing out of our minds."

He clapped his hat on his head decisively and deliberately walked
out of the laboratory, starting off at a brisk pace in the
moonlight across the campus to the avenue where now the only sound
was the noisy rattle of an occasional trolley car.

How long we walked I do not know. But I do know that for genuine
relaxation after a long period of keen mental stress, there is
nothing like physical exercise. We turned into our apartment,
roused the sleepy hall-boy, and rode up.

"I suppose people think I never rest," remarked Kennedy, carefully