CONTENTS. 



PAGH 



POPULAR SCIENCE 1 



A CHEMICAL TRIAD : 



CAVENDISH 20 



LAVOISIEB 35 



DALTON 43 



XOSMETICS : 

 THE SKIN 64 



THE SKIN AND HAIR 71 



THE TEETH 91 



THE METAMORPHOSES OF MATTER 102 



PREADAMITE MAN 117 



EXTINCT SPECIES 136 



JTHE MAROONS 154 



PEACE ESTABLISHMENTS AND WAR SALARIES . . .162 



THE FIRE-DAMP'S FAMILY CIRCLE 179 



SAFETY-LAMPS 193 



ALUMINIUM 210 



CERAMIC WARE . . . 218 



SUGAR 241 



BEETROOT SUGAR IN FRANCE . . . . . . .259 



MODERN MYSTICISM AND MODERN SCIENCE . . .274 

 BARON REICHENBACH'S THEORY OF KISSING . . .291 

 THE SENSES, THEIR LIMITS AND THEIR FALLACIES . .311 

 INSANITY , 328 



