That is why the woman's foot about the house is so hard for me, for I cannot find it on the stair.

Yet I know it came from the house because I can see it leading from the door.

Come, master, I will show you." He led the way down the stairs into the garden, and then for the first time Whiteside noticed that the Chinaman was bare-footed.
"You haven't mixed your own footmarks up with somebody else's ?" he asked jocularly.
Ling Chu shook his head.
"I left my shoes outside the door because it is easier for me to work so," he said calmly, slipping his feet into his small shoes.
He led the way to the side of the house, and there pointed out the footprints.

They were unmistakably feminine.

Where the heel was, was a deep crescent-shaped hole, which recurred at intervals all round the house.