VI CONTENTS. 



Page 



Mammoth 217 



Drift land fauna 219 



Drift marine fauna 221 



Vestiges of Man in the Postglacial period 223 



xltlantic continent 225 



John de Charpentier, originator of the Glacial theory 228 



CHAPTER XIV. 



RETROSPECT, WITH NOTICES OF EARLY PALEOZOIC STRATA, 



Drift-beds . : 231 



Crystalline rocks 232 



Early Paleozoic strata 233 



General Table of the chief geological periods 235 



CHAPTER XV. 



GENERALIZATIONS ON THE DEVELOPMENT AND TRANSFORMATIONS 

 OF NATURE IN SWTZERLAND. 



Part I. INORGANIC NATURE. 



Section 1. Upheaval and Depression of Land. 



Temperature 239 



Sections of mountains 241 



Swiss valleys 243 



Alpine sections 245 



Changes of level 246 



Elevation of the Jura mountains 251 



Table of periods of elevation and depression in Switzerland 252 



Measure of time 255 



Section 2. Action of Water. 



"Waters of the Pliocene and Quaternary periods 258 



Section 3. Climates of the various Geological periods. 



Warm currents 263 



Internal heat of the earth 267 



Nebular theory 269 



Changes in the earth's orbit 271 



Temperature of space 273 



