CONTENTS

I.[THE CABMAN'S FARE]
II.[THE WAGER]
III.[DOCTOR MURDOCK'S PROBLEM]
IV.[THE BANK PRESIDENT]
V.[A FOUNDATION OF FACTS]
VI.[THE ARTIST]
VII.[AGNES MURDOCK]
VIII.[THE PORTRAIT]
IX.[THE KNICKERBOCKER BANK]
X.[PIECING THE EVIDENCE]
XI.[A RECONSTRUCTED DRAMA]
XII.[THE BOOKKEEPER'S CONFESSION]
XIII.[THE LOST TRAIL]
XIV.[THE LETTER]
XV.[TWO LOVERS]
XVI.[THE ROENTGEN RAYS]
XVII.[THE QUARRY]
XVIII.[THE EXTENSION]
XIX.[THE UNDERGROUND PASSAGE]
XX.[THE LEAD-LINED VAT]
XXI.[THE DEATH CHAMBER]
XXII.[FATHER AND DAUGHTER]
XXIII.[THE SPEAKING-TUBE]
XXIV.[CHECKMATE!]
XXV.[THE MURDER SYNDICATE]