"You seem to have a sort of geological museum here," he said, as he sat down, jerking his head briefly in the direction of the brown dust and the crystalline fragments.
"Not a geological museum," replied Flambeau; "say a psychological museum."
"Oh, for the Lord's sake," cried the police detective laughing, "don't let's begin with such long words."
"Don't you know what psychology means?" asked Flambeau with friendly surprise. "Psychology means being off your chump."
"Still I hardly follow," replied the official.
"Well," said Flambeau, with decision, "I mean that we've only found out one thing about Lord Glengyle. He was a maniac."
The black silhouette of Gow with his top hat and spade passed the window, dimly outlined against the darkening sky. Father Brown stared passively at it and
