This was an unexpected obstacle. Thaddeus Sholto looked about him in a perplexed and helpless manner. “This is too bad of you, McMurdo!” he said. “If I guarantee them, that is enough for you. There is the young lady, too. She cannot wait on the public road at this hour.”

“Very sorry, Mr. Thaddeus,” said the porter, inexorably. “Folk may be friends o’ yours, and yet no friends o’ the master’s. He pays me well to do my duty, and my duty I’ll do. I don’t know none o’ your friends.”

“Oh, yes you do, McMurdo,” cried Sherlock Holmes, genially. “I don’t think you can have forgotten me. Don’t you remember the amateur who fought three rounds with you at Alison’s rooms on the night of your benefit four years back?”