I at once saw that there was something about her appearance that was singular and unusual, but it was only when we had moved quite close that I recognised what caused it. For while the lips wore a smile that lit the whole face with a happiness I had never seen there before, the eyes themselves were fixed in a steady, sightless stare as though they were lifeless and made of glass.

I made an impulsive forward movement, but Dr. Silence instantly dragged me back.

“No,” he cried, “don’t wake her!”

“What do you mean?” I replied aloud, struggling in his grasp.

“She’s asleep. It’s somnambulistic. The shock might injure her permanently.”

I turned and peered closely into his face. He was absolutely calm. I began to understand a little more, catching, I suppose, something of his strong thinking.