Dr.Parker's carriage, she was sure.

The Higgins boy must have met the doctor and delivered his message.
The horse and chaise were standing by the front gate of the tavern as she pantingly drew near it.

The side door of the house was ajar and she opened it softly and entered.

The dining room was empty.

There was a light on the sitting-room table and low voices came from the little bedroom adjoining.