“Yes, but it explained nothing.”

“It was too delicate a thing for me to put the details on paper. And too complicated. It was only face to face I could do it.”

“Well, we are at your disposal.”

“First of all, Mr. Holmes, I think that my employer, Sir Robert, has gone mad.”

Holmes raised his eyebrows. “This is Baker Street, not Harley Street,” said he. “But why do you say so?”

“Well, sir, when a man does one queer thing, or two queer things, there may be a meaning to it, but when everything he does is queer, then you begin to wonder. I believe Shoscombe Prince and the Derby have turned his brain.”

“That is a colt you are running?”