"Here is the address," said the detective in a natural tone, being
deprived of an audience to foil.

Hartley took the leaf torn out of the sleuth's dingy memorandum book.
On it were pencilled the words "Vivienne Arlington, No. 341 East
----th Street, care of Mrs. McComus."

"Moved there a week ago," said the detective. "Now, if you want any
shadowing done, Mr. Hartley, I can do you as fine a job in that line
as anybody in the city. It will be only $7 a day and expenses. Can
send in a daily typewritten report, covering--"

"You needn't go on," interrupted the broker. "It isn't a case of that
kind. I merely wanted the address. How much shall I pay you?"

"One day's work," said the sleuth. "A tenner will cover it."

Hartley paid the man and dismissed him. Then he left the office and
boarded a Broadway car. At the first large crosstown artery of travel
he took an eastbound car that deposited him in a decaying avenue,
whose ancient structures once sheltered the pride and glory of the
town.

Walking a few squares, he came to the building that he sought. It was
a new flathouse, bearing carved upon its cheap stone portal its
sonorous name, "The Vallambrosa." Fire-escapes zigzagged down its
front--these laden with household goods, drying clothes, and
squalling children evicted by the midsummer heat. Here and there a
pale rubber plant peeped from the miscellaneous mass, as if wondering