"From the point of view of the criminal expert," said Mr. Sherlock Holmes, "London has become a singularly uninteresting city since the death of the late lamented Professor Moriarty." "I can hardly think that you would find many decent citizens to agree with you," I answered. "Well, well, I must not be selfish," said he, with a smile, as he pushed back his chair from the breakfast-table. "The community is certainly the gainer, and no one the loser, save the poor out-of-work specialist, whose occupation has gone. With that man in the field, one's morning paper presented infinite possibilities.