to him by the driver of another car, which had come alongside their own
from the opposite direction. That car had also been pulled up; within it
Allerdyke saw a woman, closely wrapped in furs.

"What is it, Gaffney?" he asked, letting down his own window and
leaning out.

"Wants to know which is the best way to get across the Ouse, sir,"
answered Gaffney. "I tell him there's two ferries close by--one at Booh,
the other at Langrick--but there'll be nobody to work them at this hour.
Where do you want to get to?" he went on, turning to the driver of the
other car.

"Want to strike the Great Northern main line somewhere," answered the
driver. "This lady wants to catch a Scotch express. I thought of
Doncaster, but--"

The window of the other car was let down, and its occupant looked out.
The light of the full moon shone full on her, and Allerdyke lifted his
cap to a pretty, alert-looking young woman of apparently twenty-five, who
politely returned his salutation.

"Can I give you any advice?" asked Allerdyke. "I understand you want--"

"An express train to Scotland--Edinburgh," replied the lady. "I made out,
on arrival at Hull, that if I motored across country I would get a train
at some station on the Great Northern line--a morning express. Doncaster,
Selby, York--which is nearest from wherever we are!"

"This is Howden," said Allerdyke, looking up at the great tower of the