He was standing now looking at him thoughtfully.
"Did he die in his sleep, I wonder ?" the station-master asked.

"It must have been horribly sudden! Was it heart disease ?" The doctor did not reply for a moment.

He seemed to be thinking out some problem.
"The body had better be removed to the station mortuary," he said at last.

"Then, if I were you, I should have the saloon shunted on to a siding and left absolutely untouched.

You had better place two of your station police in charge while you telephone to Scotland Yard." "To Scotland Yard ?" the station-master exclaimed.
The doctor nodded.