THE FALLS OF THE YGUASSU. 



Thirteen miles above the confluerice with the Parana. Like the Parana at the Salto 

 ■ Guatjra, the river cuts through a layer 0/ basalt intercalated in the red sandstone. The 

 joresi of the province oj Misicnes has a tropical character near the river. The araucarias 

 .cover only the higher parts oj the tableland. 



iPlate I. 



Frcntispiece. 



