CHAPTER III.

PROBLEMATICAL ERRORS.

Captain Donellan and the Poisoning of Sir Theodosius Boughton: Donellan's Suspicious Conduct: Evidence of John Hunter, the great Surgeon: Sir James Stephen's View: Corroborative Story from his Father--The Lafarge Case: Madame Lafarge and the Cakes: Doctors differ as to Presence of Arsenic in the Remains: Possible Guilt of Denis Barbier: Madame Lafarge's Condemnation: Pardoned by Napoleon III.--Charge against Madame Lafarge of stealing a School Friend's Jewels: Her Defence: Conviction--Madeleine Smith charged with Poisoning her _Fiancé_: "Not Proven": the Latest Facts--The Wharton-Ketchum Case in Baltimore, U.S.A.--The Story of the Perrys.....129