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