The more Nick twisted the case, the more inexplicable it became.

Having thanked the lady, he took the trouble to see and speak with one of the servants, the same one with whom he had talked before and with whom he had been favorably impressed.

On asking her about the birthmark that the little Helen Field possessed, she said at once that she remembered it well.

“You know it so well that you could swear to it if you saw it again?”

“Yes.”

“Have you ever seen it since the little Helen went away with her mother?”

“Never until last night.”

“You saw it then?”

“I did.”

“Under what circumstances?”