"Mrs. Maitland," he resumed, "has been much troubled by her
dreams, as you have heard, doubtless. The other day she told me of
another dream. In it she seemed to be attacked by a bull, which
suddenly changed into a serpent. I may say that I had asked her to
make a record of her dreams, as well as other data, which I
thought might be of use in the study and treatment of her nervous
troubles. I readily surmised that not the dream, but something
else, perhaps some recollection which it recalled, worried her. By
careful questioning I discovered that it was--a broken
engagement."

"Yes," prompted Kennedy.

"The bull-serpent, she admitted, had a half-human face--the face
of Arnold Masterson!"

Was Dr. Ross desperately shifting suspicion from himself? I asked.

"Very strange--very," ruminated Kennedy. "That reminds me again. I
wonder if you could let me have a sample of this cobra venom?"

"Surely. Excuse me; I'll get you some."

The doctor had scarcely shut the door when Kennedy began prowling
around quietly. In the waiting-room, which was now deserted, stood
a typewriter.

Quickly Craig ran over the keys of the machine until he had a
sample of every character. Then he reached into drawer of the desk