His eye wandered to a bookcase in the corner of the room, as if he would have liked to consult a "Police Code" which was prominently displayed on one of the shelves.

Apparently he realized the indignity of such a course in the presence of a member of the public, so he turned to Tufnell and said: "I'll go with you, but I must first put on my tunic." "Be as quick as you can," said the butler, taking a chair.
Sergeant Lumbe went into an inner room, where his wife followed him.
Tufnell heard them whispering as they moved about.

Then Sergeant Lumbe hastily emerged buttoning his tunic.

There was an eager look on his face.
"The wife has been saying that we ought to take her brother along," he said.

"He belongs to Scotland Yard.