“And no sooner was the word out of my mouth,” said Randall, “than the idea of a dual personality flashed into my head. Not altogether unnaturally. You told me where Hyde lived, and I paid a call on his friend Brown, which I told you all about.”

“Oh, not quite all, Mr Matthews!”

Randall smiled. “Well, let us say all that it was desirable you should know. When he was induced to divulge where Hyde had kept the key of his safe, I had no doubt that Hyde was none other than my uncle. A pleasing discovery, I can assure you.”

“That was why you looked as though you were ripe for murder when I suggested there had been a bond of sympathy between you?” said Hannasyde.

“Did I? I was certainly not flattered.”

“When did you get the key of that safe?”

“On the day of my uncle's funeral. His watch-chain, with the trinkets that hung on it, were in the drawer of his dressing-table.”

“After which,” said Hannasyde heavily, “you got me to remove the detective who was watching you, so that you could visit that safe-deposit.”

Randall's eyes gleamed. “My dear Superintendent, how can you say so? All I did was to complain of his boots.”

“Well, let that go,” said Hannasyde. “You put that notice in the paper so that you could get at Hyde's papers.”