I must inquire at Bletchley and act accordingly.
We were beginning to put on the break, and show other signs of coming to a halt, when I was startled by seeing McCrane stand up and put his head out of the window.

I withdrew as hastily as I could; not daring, of course, to retreat fully into the carriage, but turning my face in an opposite direction, so as to conceal my identity.

I could not guess whether he had seen me or not, it had all occurred so quickly.

If he had, I might have need of all my strategy to run him to earth.
As the train pulled up I saw him lower his window, and, with anxious face, make a sudden bolt across the platform.
That was enough for me.

I darted out too, much to the satisfaction of my fellow-travellers.
"When's the next train back to Euston ?" "Take your seats!" bawled the guard, ignoring me.
"When does the next train go to Euston ?" "There's a time-table there." I went; keeping one eye on the train, another on the spot where my man had vanished, and feeling a decided inconvenience from the lack of a third with which to consult the complicated document before me.