Meanwhile Mme. Storey was gazing into Fay's face with searching kindness. Nervously pulling off one of her gloves, the girl mutely exhibited the third finger of her left hand. I caught a glimpse of an emerald that took my breath away. ''Who is it?'' asked Mme. Storey. ''Darius Whittall,'' she murmured. It was a horrible shock to me. Fortunately none of them was looking at me at the moment. The thought of seeing my friend in all her youth and loveliness handed over to that murderer—for such he was in all essentials—was more than I could bear. The bottom seemed to drop out of everything.