man, with a professional air about him, at the steering wheel.
"That's Dr. Brown!" exclaimed Mrs. Meckelburn, "but I didn't know he could drive one of them things."
"I guess Mollie got too nervous," explained Betty.
The doctor caught up his bag and hurried toward the house, followed by Grace and Mollie.
"An accident!" he exclaimed in brisk tones, bowing to Betty and Amy, and taking in the woman in his greeting. "Where is she?'
"In my bed room, Dr. Brown," said Mrs. Meckelburn. "I do hope there's nothing much the matter with the poor dear."
They clustered around as the pyhsician pushed open the door. Then he turned to them with a queer look on his face.
"Must be some mistake," he said. "There is no one here."
"No one there!" cried Betty in strange tones. "Why"
She looked over his shoulder. There in the bed was the imprint of a human form, but the girl herself had vanished!
