Still no answer.

He jangled it fiercely several times in succession, but without avail.

Then he went below.
There was a door which opened under the steps into the kitchen, protected by an iron grating, intended as a safeguard against burglars.
When he reached this he noticed that it also was bolted and that the kitchen windows were down.

What could it mean?
He rang the bell and then waited.

Finally, seeing that no one was coming, he turned and went back to his cab.
"I guess they've gone out," he said apologetically to the individual who was hiding his red face in a loose tarpaulin raincoat.
"I saw a young girl up in that winder," returned the cabby.
Hurstwood looked, but there was no face there now.