Then, with a jerk, our train pulled up. And the girl let go of the rack-rail and stumbled out. "Come on, Sam," she said, "we gotter 'urry. 'E looks so cold."

"Wait till I light me fag, then," said the boy. He struck a match on his boot-heel, and followed her, whistling cheerfully.

* * * * *

Our train moved on. And the elderly man at my right hand imparted a secret to me.

"That's their fust," he said.

I nodded, patiently.

"'E lay quiet enough when the music started. Did you notice?"

"Yes," I said, "I noticed."

"They're funny devils," said the man.

XV