I The Tragedy
II The Inquest
III Mr. Tarkington Develops a Theory
IV Inspector French Goes North
V French Picks Up a Scent
VI Talloires, Lac D’Annecy
VII Posthumous Evidence
VIII Dr. Philpot’s Story
IX The Value of Analysis
X Whymper Speaks at Last
XI A Startling Theory
XII A Somewhat Gruesome Chapter
XIII The Piece of Yellow Clay
XIV The Secret of The Moor
XV French Baits His Trap
XVI A Double Recall
XVII Concerning Wedding Rings
XVIII Cumulative Evidence
XIX The Last Lap
XX Conclusion