"Then she disappeared," Frank went on, "and Jasper came on the scene. There was some association between this girl and Jasper, which I have never been able to fathom. All I know is that he took a tremendous interest in her and tried to find her, and, so far as I remember, he never succeeded."

Mr. Mann's car was at the door, and in a few minutes they were deposited before the prim exterior of Number 69.

The door was opened by a girl servant, who stared from Saul Arthur Mann to his companion.

"There is a lady living here," said Mr. Mann.

He produced the photograph.

"This is the lady?"

The girl nodded, still staring at Frank.

"I want to see her."

"She's gone," said the girl.

"You are looking at me very intently," said Frank. "Have you ever seen me before?"