South America

VOL. III, PP 1–30, PL 1 MARCH 28, 1891.
( Presented to the Society December 19, 1890. )
Two years ago I selected for my annual address Africa, or the Dark Continent; last year Asia, the Land of Mountains and Deserts; this year I have chosen South America, the Land of Rivers and Pampas .

The recent meeting of the Pan-American Congress has called attention to South America, a part of our continent under republican forms of government and rich in products which we lack, while it relies mainly on other foreign countries for goods which we manufacture. North America and South America should be more closely united, for the one is the complement of the other.
The prominent features of South America are its long ranges of mountains—next to the Himalayas the highest in the world,—its great valley, and its immense plateau extending from the Straits of Magellan to the Caribbean sea.
THE MOUNTAINS.
The Andes rise in the extreme south at Cape Horn, run in a northerly course through Patagonia and southern Chili; thence continuing in three nearly parallel ranges, the western chain called the Andes, the others known as the Cordilleras, through Peru, Bolivia and Ecuador to Colombia. The Cordilleras and the Andes are connected in several places by knots or cross-chains of mountains. In Colombia the Andes turn to the northwest, reaching their lowest elevation at the Panama canal, and continue thence, through Central America and North America as the Rocky Mountains, to the Arctic ocean. Near the source of the Magdalena and Cauca rivers in Colombia, the eastern range is deflected to the east along the northern coast of South America. The central range disappears between the Magdalena and Cauca rivers.
The Andes form the water-shed of the continent. The waters on the western slope flow into the Pacific ocean. The rivers that rise on the eastern slope, in northern Peru and Ecuador, force their way through the Cordilleras and at their foot drain the montaña of Bolivia, Peru and Brazil. In the southern part of Peru and upper Chili there is a broad sierra or plateau, at an elevation of from twelve to fourteen thousand feet. The streams that rise in this sierra either empty into salt or alkaline lakes or sink into the ground.