name for his two orphaned daughters.

"Herbert de Cleyster, the railroad magnate, died similarly in a
taxicab on Thursday. He was also one of my patients. There, too, was
concerned another of these wretched chorus girls. To-night the fatal
number of the triad was consummated in this cycle of crime. To
maintain my loyalty to my patients I have risked my professional
reputation. Have I done wrong?"

"No! The criminal shall be brought to justice," replied Shirley
in a voice vibrant with a profound determination which was not
lost upon his companion.

"Are you powerful enough to bring this about, without disgracing
me or betraying this sordid tragedy to the morbid scandal-rakers
of the papers?"

"I will devote every waking hour to it. But, like you, my
efforts must remain entirely secret. I vow to find this man
before I sleep again!"

"You are determined--yet it cannot be one single man. It must be
an organized gang, for all the crimes have been so strangely
similar, occurring to three men who are friends, and entrez nous,
notorious for their peccadilloes. The girls must be in the
vicious circle, and ably assisted. But there is one thing I
forgot to tell you, which you forgot to ask."

"And this is?"