They advanced up the old path, that was overgrown with weeds.

"I don't believe any one lives there," ventured Grace, in a low voice.

"If they do they don't keep the place in very good condition," spoke Cousin Jane. "It's a shame to let it get so run down."

Mollie was knocking on the door. The sound of her knuckles seemed to echo through an empty house. The hearts of the girls were despairing again. Once more Mollie knocked. No answer.

"No one at home," she murmured. "And yet the light!"

She gave a little cry.

"What is it?" asked Betty.

"The door—it opened of itself!"

"Nonsense! Perhaps it was not shut, and you pushed it!"

Betty flashed her light forward. It shone on the old door, that was slowly swinging open, seemingly of its own accord. Then a bare and deserted hall was observed.