“There is no ‘perhaps’ about it. I have done better. Here is the Hon. Philip Green, who is a fellow-lodger with you in this hotel, and we may find him the starting-point for a more successful investigation.”

A card had come up on a salver, and it was followed by the same bearded ruffian who had attacked me in the street. He started when he saw me.

“What is this, Mr. Holmes?” he asked. “I had your note and I have come. But what has this man to do with the matter?”

“This is my old friend and associate, Dr. Watson, who is helping us in this affair.”

The stranger held out a huge, sunburned hand, with a few words of apology.