granted, for the handkerchief bears the same monogram, A. L., which
is on the notebook."

Commissioner von Mayringen rose from his chair in evident excitement.
"Well?" he asked.

It was a short question, but full of meaning, and one could see that
he was waiting in great excitement for the answer. Muller reported
what he had discovered. The commissioner thought it little enough,
and shrugged his shoulders impatiently when the other had finished.

Muller noticed his chief's dissatisfaction and smiled at it. He
himself was quite content with what he bad found.

"Is that all?" murmured the commissioner, as if disappointed.

"That is all," repeated the detective calmly, and added, "That is
a good deal. We have here a closely written notebook, the contents
of which, judging by your excitement, are evidently important. We
have also a handkerchief with an unusual perfume on it. I repeat
that this is quite considerable. Besides this, we have the seals,
and we know several other things. I believe that we can save this
lady, of if it be too late, we can avenge her at least."

The commissioner looked at Muller in surprise. "We are in a city
of more than a million inhabitants," he said, almost timidly.

"I have hunted criminals in two hemispheres, and I have found them,"
said Muller simply. The young commissioner smiled and held out his
hand. "Ah, yes, Muller - I keep forgetting the great things you