"By Jove!" Cass in his turn became excited. "Well, well, go on--go on."

"The letters are the initials of a man's name."

"The murderer's name?"

"I don't say that, and yet he might be the criminal. I said so to--"

"But the name, Bob, the name?"

"Rudolph Zirknitz."

"H'm! A foreigner?"

"An Austrian. He takes his name from a town called Zirknitz, in Austria, which has in its environs a peculiar sort of lizard found nowhere else."

"Ho! ho! Now comes in the 'totem' of our assassin. How did you find this out?"

The doctor sat down and rapidly detailed his discoveries, and how they were brought about by the search for the will. "I revived Mrs. Moxton from her faint," he concluded, "but she refused to answer a single question. In the end I was forced to leave her, and for the last few hours I have been in a state of distraction. I am so glad you are back. Put your sharp wits to work, Harry, and tell me what it all means."