Entered at the Post Office, New York, as Second-Class Matter. The Detective’s Clew: OR, THE TRAGEDY OF ELM GROVE. BY “OLD HUTCH.” NEW YORK: STREET & SMITH, Publishers, 31 Rose Street. Entered according to Act of Congress, in the year 1888, BY STREET & SMITH, In the Office of the Librarian of Congress, at Washington, D. C. BY STREET & SMITH, Washington, D. C. Table of Contents. I. THE BROTHER’S MESSAGE. I. II. GEOFFREY HAYWOOD. II. III. “SEVEN O’CLOCK.” III. IV. A FIGHT AND A FLIGHT.