CONTENTS. 



PAGE 



AUTHOR'S PREFACE TO THE FIRST EDITION vii 



AUTHOR'S PREFACE TO THE SECOND AND THIRD EDITIONS . xi 



NOTE BY THE TRANSLATOR ivii 



STEPPES AND DESERTS 1 



Annotations and Additions 27 



CATARACTS OF THE ORINOCO . ... . . . 207 



Annotations and Additions 233 



NOCTURNAL LIFE OF ANIMALS IN THE PRIMEVAL FOREST . 257 



Annotations and Additions 273 



HYPSOMETRIC ADDENDA 277 



'** For General Summary of the CONTENTS of the First Volume, 

 see page 289. 



