Fossil Skeletons and Jaw-bones--The Skull and Teeth of Goats--The Teeth of Rats--The Rat-toothed Goat--Origin of the Rat-toothed Goat. VIII. VEGETARIANS AND THEIR TEETH 102 Teeth of Carnivors--Mixed Diets--Disease-germs in Food. IX. FOOD AND COOKERY 113 Special Diet of Various Races--Food and Habit--Nervous Control of Digestion--Wholesale Food and Mechanical Cookery--The Burnt Offering of the Jews--Women Neglect Cookery--A Great German's Appreciation. X. SMELLS AND PERFUMES 126 Smells and Memory--Accidental Qualities--Bacteria and Smells--Some Remarkable Smells. XI. KISSES 134 Kissing and Smelling--Variations in the Sense of Smell--Radiation and Odours--Attraction by Smell--Unconscious Guidance by Smell. XII. LAUGHTER 144 Why do we Laugh?--Varieties of Laughter--The Laugh of Escape from Death--The Laugh of Derision. XIII. FATHERLESS FROGS 152 Fertilization of the Egg-cell--Egg-cells Developing Unfertilized--M. Bataillon's Discovery. XIV. PRIMITIVE BELIEFS ABOUT FATHERLESS PROGENY 159 Harvey and Milton--Reproduction by Budding--Stories of Virgin Births--Spiritual Theory of Conception. XV. THE PYGMY RACES OF MEN 167 Characteristics of Pygmies--Colour of the Skin--Egyptian Stories of Pygmies--Congo and New Guinea Pygmies--The Causes of Small Size--Smallness a Correlation. XVI. PREHISTORIC PETTICOATS 180 Early Carvings and Pictures--Paintings in Caverns--Painting of Human Figures--Artistic Sympathy--Aurignacians and Bushmen Allied. XVII. NEW YEAR'S DAY AND THE CALENDAR 191 Make-believe and New Year--Divisions of Time--The Difficulties of the Calendar--Pope Gregory's Ten Days--The Astronomer Royal and the Shah. XVIII. EASTERTIDE, SHAMROCKS AND SPERMACETI 201 The Real Shamrock--Sham Shamrock--Leonardo or Lucas?--Various Fats. XIX. MUSEUMS 209 The Muses--The Museum of Alexandria--Picture Galleries and Museums--The Purposes of Museums--The First Business of Museums--National Value of Museums--University Museums--Not for Children but for Adults--Screens and Electric Lifts--Frames and Setting of Pictures. XX. THE SECRET OF A TERRIBLE DISEASE 227 The Angel of Death--The Tyranny of Parasites--Typhus and Monkeys--Typhus Fever in Russia. XXI. CARRIERS OF DISEASE 235 The Entrance of Parasites--Man as a Carrier of Disease--House Flies and Disease. XXII. IMMUNITY AND CURATIVE INOCULATIONS 241