It was addressed to him--Steve Birnes, Chief of the Birnes Detective Agency.

Mr.Wynne had still not looked back, so the detective trailed along behind, opening the envelope as he walked.

A note inside ran briefly: My address is No.

---- East Thirty-seventh Street.

If it is necessary for you to see me please call there about six o'clock this afternoon.
E.VAN CORTLANDT WYNNE Now here was, perhaps, as savory a kettle of fish as Mr.Birnes had ever stumbled upon.