The Eye of Osiris R. Austin Freeman

R. Austin Freeman — was a British writer of detective stories, mostly featuring the medico-legal forensic investigator Dr. Thorndyke.
CONTENTS with chapter navigation:
I. THE VANISHING MAN
II. THE EAVESDROPPER
III. JOHN THORNDYKE
IV. LEGAL COMPLICATIONS AND A JACKAL
V. THE WATER-CRESS BED
VI. SIDELIGHTS
VII. JOHN BELLINGHAM'S WILL
VIII. A MUSEUM IDYLL
IX. THE SPHINX OF LINCOLN'S INN
X. THE NEW ALLIANCE
XI. THE EVIDENCE REVIEWED
XII. A VOYAGE OF DISCOVERY
XIII. THE CORONER'S QUEST
XIV. WHICH CARRIES THE READER INTO THE PROBATE COURT
XV. CIRCUMSTANTIAL EVIDENCE
XVI. O ARTEMIDORUS, FAREWELL!
XVII. THE ACCUSING FINGER
XVIII. JOHN BELLINGHAM
XIX. A STRANGE SYMPOSIUM
XX. THE END OF THE CASE