I saw no more of Holmes during the day, but I could well imagine how he spent it, for Langdale Pike was his human book of reference upon all matters of social scandal. This strange, languid creature spent his waking hours in the bow window of a St. James’s Street club and was the receiving-station as well as the transmitter for all the gossip of the metropolis. He made, it was said, a four-figure income by the paragraphs which he contributed every week to the garbage papers which cater to an inquisitive public. If ever, far down in the turbid depths of London life, there was some strange swirl or eddy, it was marked with automatic exactness by this human dial upon the surface. Holmes discreetly helped Langdale to knowledge, and on occasion was helped in turn.

When I met my friend in his room early next morning, I was conscious from his bearing that all was well, but none the less a most unpleasant surprise was awaiting us. It took the shape of the following telegram: