He was in this frame of mind when Hanslet came to see him on the Sunday afternoon. Whyland brought him round and introduced him, and Mr. Ludgrove welcomed him with his usual courtesy.

“I have heard of you, Inspector Hanslet, and I am indeed proud to make your acquaintance. Sit down, and make yourself comfortable.”

“Thank you, Mr. Ludgrove,” Hanslet replied. “I thought you wouldn’t mind my coming to have a chat with you. Whyland here has told me all about these queer happenings in this street of yours, and of the help which you have been to him.”

“I am afraid that I have been of very little help,” said Mr. Ludgrove with a smile. “Inspector Whyland has been kind enough to appreciate beyond their value any suggestions I have made.”