CONTENTS. 



Pago 



PUBLISHER'S PREFACE ... ... ... ... ... r 



AUTHOR'S PREFACE, TO THE FIRST EDITION ... ... ix 



AUTHOR'S PREFACE, TO THE SECOND AND THIRD EDITIONS ... xl 



SUMMARY OF CONTENTS... ... ... ... ... xvii 



STEPPES AND DESERTS ... ... ... ... ... 1 



Illustrations and Additions ... ... ... ... 22 



CATARACTS OF THE ORINOCO ... ... ... ... 153 



Illustrations and Additions ... ... ... ... 174 



NOCTURNAL LIFE OF ANIMALS IN THE PRIMEVAL FOREST ... 191 



Illustrations and Additions ... ... ... ... 202 



Hypsometric Addenda ... ... ... ... 204 



IDEAS FOR A PHYSIOGNOMY OF PLANTS ... ... ... 210 



Illustrations and Additions ... ... ... ... 232 



ON THE STRUCTURE AND MODE OF ACTION OF VOLCANOS IN 



DIFFERENT PARTS OF THE EARTH ... ... 353 



Illustrations and Additions ... ... ... ... 376 



VITAL FORCE, OR THE RHODIAN GENIUS ... ... ... 380 



Illustration and Note... .. ... ... ... 386 



THE PLATEAU OF CAXAMARCA, the Ancient Capital of the Inca 

 Atahuallpa, and First View of the Pacific from the Ridge 



of the Andes ... ... ... ... ... 390 



Illustrations and Additions ... ... ... ... 421 



INDEX ... ... ... ... , 437 



