"They are not likely to find one," she answered, "unless I help
them."

"Say, Penelope," he exclaimed, "you are not in earnest?"

"I am," she assured him. "It is exactly as I say. I believe I am
one of the few people who could put the police upon the right
track."

"Is there any reason why you shouldn't?" he asked.

"That's just what I can't make up my mind about," she told him.
"However, I have brought you out with me expecting to hear
something, and I am going to tell you this. That last time he
came to England--the time he went to St. Petersburg and twice to
Berlin--he came on government business."

The young man looked, for a moment, incredulous.

"Are you sure of that, Pen?" he asked. "It doesn't sound like our
people, you know, does it?"

"I am quite sure," she declared confidently. "You are a very
youthful diplomat, Dicky, but even you have probably heard of
governments who employ private messengers to carry despatches
which for various reasons they don't care to put through their
embassies."

"Why, that's so, of course, over on this side," he agreed. "These
European nations are up to all manner of tricks. But I tell you