xiv Contents 



PAGE 



Christoph Bernoulli 199 



Heinrich Friedrich Link 201 



Placidus Heinrich 202 



Jean Philibert Dessaignes 205 



Inorganic Luminescences 206 



Introduction 206 



The Rise of Spectroscopy 207 



Fluorescence 210 



Radioluminescence 211 



Chemiluminescence 211 



Early Textbooks of Chemistry and Physics . . 212 



The Becquerel Family 216 



Luminescence after 1870 219 



Books on Inorganic Luminescence 220 



In Review 221 



The Light of Living Things 222 



James Macartney 222 



Gottfried Reinhold Treviranus 223 



Christian Gottfried Ehrenberg 224 



Harting, Quatrefages, and Heller 225 



The Nature of Animal Light 228 



Textbooks and Reference Works 229 



Evolution and Bioluminescence 233 



The Popularization of Science 237 



Deep-sea Exploration 239 



Paolo Panceri and the Italians 241 



Raphael Dubois 242 



W. C. M'Intosh 244 



Krukenberg and Dittrich 244 



In Review 245 



Survey 246 



Part II. Luminescence of Non-living Material . . 249 



Chapter VII. Electroluminescence 251 



Introduction 251 



Meteors 252 



The Aurora Borealis or Polaris 255 



Seventeenth and Eighteenth-Century Views . . 255 



Edmund Halley 257 



J. J. Dortous de Mairan 258 



The Aurora and the Electric Light 259 



