THE WOBLD'S WONDERS. 



perceptible for many miles on either side. The rise above the 

 lowest level of the stream is sometimes as great as fifty feet, and 

 the ocean tide, following the river, is noticeable nearly 500 miies 



from the mouth. The bore tidal wave of the Amazon exceeds 

 that of any other river of the world. La Condamine, more 



