THE RAPIDS OF THE MADEIRA AND TEE MAMOllfi, 
boats again and tow them along against tlio strong onrront. Above it tbe 
river is between 1,300 and 1,550 yards broad, and is completely navi- 
gable for 33 i miles, that is, to tbo next considerable rapid, wliich bears 
tbe ominous name of CAimEraAO no Inferno (kettle of bell). 
