“Look inside your hat if you doubt your own name?”

I then noticed for the first time that the name was plainly to be seen inside the top-hat Scribbings held upside down in his hands.

“You have heard, of course, of the Pegram mystery——“.

“Tush,” cried the detective; “do not, I beg of you, call it a mystery. There is no such thing. Life would become more tolerable if there ever was a mystery. Nothing is original. Everything has been done before. What about the Pegram affair?”

“The Pegram—ah—case has baffled everyone. The Evening Blade wishes you to investigate, so that it may publish the result. It will pay you well. Will you accept the commission?”

“Possibly. Tell me about the case.”

“I thought everybody knew the particulars. Mr. Barrie Kipson lived at Pegram. He carried a first-class season ticket between the terminus and that station. It was his custom to leave for Pegram on the 5.30 train each evening. Some weeks ago, Mr. Kipson was brought down by the influenza. On his first visit to the City after his recovery, he drew something like £300 in notes, and left the office at his usual hour to catch the 5.30. He was never seen again alive, as far as the public have been able to learn. He was found at Brewster in a first-class compartment on the Scotch Express, which does not stop between London and Brewster. There was a bullet in his head, and his money was gone, pointing plainly to murder and robbery.”

“And where is the mystery, may I ask?”

“There are several unexplainable things about the case. First, how came he on the Scotch Express, which leaves at six, and does not stop at Pegram? Second, the ticket examiners at the terminus would have turned him out if he showed his season ticket; and all the tickets sold for the Scotch Express on the 21st are accounted for. Third, how could the murderer have escaped? Fourth, the passengers in the two compartments on each side of the one where the body was found heard no scuffle and no shot fired.”

“Are you sure the Scotch Express on the 21st did not stop between London and Brewster?”