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 oppo