manager, giving her address, for the sake of a shoe-buckle, even one set
with diamonds?"

"I'm not--for the moment--supposing that she is the thief," answered
Fullaway. "Why I want--and must--find her at once is to ask her a
simple question. What was she doing in James Allerdyke's room?
For--I've an idea."

"What?" demanded Allerdyke.

"This," replied Fullaway. "They were fellow-passengers on the _Perisco_.
Your cousin--as I daresay you know--was the sort of man who readily
makes friends, especially with women. My idea is that if this Miss
Lennard went into his room last night it was to be shown the Princess
Nastirsevitch's jewels. Your cousin was just the sort of man who knew how
a woman would appreciate an exhibition of such things. And--"

At that moment a waiter tapped at the sitting-room door and announced
Dr. Orwin.




CHAPTER VI

THE PRIMA DONNA'S PORTRAIT


Marshall Allerdyke's sharp eyes were quick to see that his new visitor
had something of importance to communicate and wished to give his news in