What's this ?" It was a torn piece of paper between two of the leaves of the book, part of a memorandum in McCrane's handwriting.

It read thus: [A scrap of paper is illustrated here.] "What do you make of that ?" asked the manager.

A light dawned on me.
"I wonder if it means Euston, 1:30?
Perhaps he's going by that train." The manager looked at me, then at the clock, and then went to his desk and took up a Bradshaw.
"1:30 is the train for Rugby, Lancaster, Fleetwood.

Samuels!" "Sir," said I.
"You had better take a cab to Euston, you have just time.

If he is there stop him, or else follow him, and bring him back.