of Four."

"Thank you, we are both very well," said I, shaking
him warmly by the hand.

"And I hope, also," he continued, sitting down in the
rocking-chair, "that the cares of medical practice
have not entirely obliterated the interest which you
used to take in our little deductive problems."

"On the contrary," I answered, "it was only last night
that I was looking over my old notes, and classifying
some of our past results."

"I trust that you don't consider your collection
closed."

"Not at all. I should wish nothing better than to
have some more of such experiences."

"To-day, for example?"

"Yes, to-day, if you like."

"And as far off as Birmingham?"

"Certainly, if you wish it."

"And the practice?"