One might almost think--" He rose up without finishing his sentence, and he turned to the third set and a look of satisfaction gleamed upon his face.

"Ah! here is something more interesting," he said.
There were just three impressions; and, whereas the blurred marks were at the side, these three pointed straight from the middle of the glass doors to the drive.

They were quite clearly defined, and all three were the impressions made by a woman's small, arched, high-heeled shoe.

The position of the marks was at first sight a little peculiar.

There was one a good yard from the window, the impression of the right foot, and the pressure of the sole of the shoe was more marked than that of the heel.