CHAPTER XIV.
San Carlos, Chiloe -- Osorno in eruption, contemporaneously with
Aconcagua and Coseguina -- Ride to Cucao -- Impenetrable forests
-- Valdivia -- Indians -- Earthquake -- Concepcion -- Great
earthquake -- Rocks fissured -- Appearance of the former towns --
The sea black and boiling -- Direction of the vibrations --
Stones twisted round -- Great Wave -- Permanent Elevation of the
land -- Area of volcanic phenomena -- The connection between the
elevatory and eruptive forces -- Cause of earthquakes -- Slow
elevation of mountain-chains.
CHAPTER XV.
Valparaiso -- Portillo Pass -- Sagacity of mules --
Mountain-torrents -- Mines, how discovered -- Proofs of the
gradual elevation of the Cordillera -- Effect of snow on rocks --
Geological structure of the two main ranges, their distinct
origin and upheaval -- Great subsidence -- Red snow -- Winds --
Pinnacles of snow -- Dry and clear atmosphere -- Electricity --
Pampas -- Zoology of the opposite sides of the Andes -- Locusts
-- Great Bugs -- Mendoza -- Uspallata Pass -- Silicified trees
buried as they grew -- Incas Bridge -- Badness of the passes
exaggerated -- Cumbre -- Casuchas -- Valparaiso.
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