Murder of Sir T. Overbury--Mary Blandy--Katharine Nairn, etc. 171 CHAPTER XIV NOTABLE POISONING TRIALS Use of Poisons--Arsenic and Antimony--Chapman Case-- Strychnine in Palmer Trial--Physiological Tests--Case of Freeman--Error from Quantitative Deductions--Poisonous Food Given to Animals--Mary Higgins--Negative Result of Physiological Tests--Hyoscyamus Poisons--Crippen Case-- Experiment on Cats--Time Limit for Action of Arsenic-- French Case 190 CHAPTER XV THE MAYBRICK CASE 206 CHAPTER XVI ADULTERATION OF FOOD National Loss from Adulteration--"Adulterated" Electricity--The Beer Conner--Conflict of Evidence--The Notice Dodge--Preservatives--Standards for Food--Court of Reference--Administration of the Law 214 INDEX 239 LIST OF ILLUSTRATIONS PAGE TRIAL OF CAROLINE RUDD _Frontispiece_ WAR PLAN SENT BY WIRELESS TELEGRAPHY 24 PHOTO SENT BY TELEGRAPHY FROM PARIS 26 PORTRAIT SENT BY "WIRELESS" 28 MAJOR RICHARDSON'S MAN-TRACKER "PATHAN" 30 FRENCH POLICE DOG 32 PURKENJE'S STANDARD FINGER-PRINTS 64 TYPES OF FINGER-PRINTS 66 HEREDITY IN HANDWRITING 71 INFLUENCE OF TRAINING ON HANDWRITING 74 SIGNATURES OF NAPOLEON AT DIFFERENT PERIODS OF HIS CAREER 77 WRITERS' CRAMP 78 SPECIMEN OF AGRAPHIA 78 WRITING OF LENAU, BEFORE AND DURING INSANITY 79 WRITING OF HÖLDERLIN, BEFORE AND DURING INSANITY 79 MIRROR WRITING IN PARALYSIS 80 HYPNOTIC HANDWRITING 82 GARIBALDI'S SIGNATURE 83 DETECTION OF FORGERY BY MEANS OF CAMERA AND MICROSCOPE 100 FURTHER SPECIMENS OF DETECTION OF FORGERY, AND TESTS TO DISTINGUISH OLD FROM NEW INKS 102 ELIZABETHAN DOMESTIC RECIPE FOR INK 107 THE TINTOMETER 109 GOAT'S AND COW'S HAIR 162