had passed completely through the body. But it had not; there was
not the slightest trace of blood upon the shirt.

"There's nothing more for me to do here, Muller," said the
physician, as he bowed to the commissioner and left the place.

Muller examined the pockets of the dead man.

"It's probably a case of robbery, too," remarked the commissioner.
"A man as well-dressed as this one is would be likely to have a
watch."

"And a purse," added the detective. "But this man has neither - or
at least he has them no longer."

In the various pockets of the dead man's clothes Muller found the
following articles: a handkerchief, several tramway tickets, a
penknife, a tiny mirror, and comb, and a little book, a cheap
novel. He wrapped them all in the handkerchief and put them in his
own pocket. The dead man's coat had fallen back from his body
during the examination, and as Muller turned the stiffened limbs
a little he saw the opening of another pocket high up over the
right hip of the trousers. The detective passed his hand over the
pocket and heard something rattle. Then he put his hand in the
pocket and drew out a thin narrow envelope which he handed to the
commissioner. Holzer looked at it carefully. It was made of very
thin expensive paper and bore no address. But it was sealed,
although not very carefully, for the gummed edges were open in
spots. It must have been hastily closed and was slightly crushed
as if it had been carried in a clenched hand. The commissioner