Negro, Rio, pumice of pebbles of.
– gravel of.
– salt lakes of.
– tertiary strata of.
North America, fossil remains of.
North Wales, sloping terraces absent in. – bent cleavage of.
Neuvo Gulf, plains of. – tertiary formation of.
Owen, Professor, on fossil mammiferous remains.
Palmer, Mr., on transportation of gravel.
Pampas, elevation of. – earthquakes of. – formation of. – localities in which fossil mammifers have been found.
Panuncillo, mines of.
Parana, Rio, on saline incrustations. – Pampean formations near. – on the S. Tandil.
Parish, Sir W., on elevated shells near Buenos Ayres. – on earthquakes in the Pampas. – on fresh-water near salt lakes. – on origin of Pampean formation.
Patagonia, elevation and plains of. – denudation of. – gravel-formation of. – sea-cliffs of. – subsidence during tertiary period. – crystalline rocks of.
Payta, tertiary formations of.
Pebbles of pumice. – decrease in size on the coast of Patagonia. – means of transportation. – encrusted with living corallines. – distribution of, at the eastern foot of Cordillera. – dispersal of, in the Pampas. – zoned with colour.
Pentland, Mr., on heights in the Cordillera. – on fossils of the Cordillera.
Pernambuco.
Peru, tertiary formations of.
Peuquenes, Pass of, in the Cordillera. – ridge of.
Pholas, elevated shells of.
Pitchstone of Chiloe. – of Port Desire. – near Cauquenes. – layers of, in the Uspallata range. – of Los Hornos. – of Coquimbo.
Plains of Patagonia. – of Chiloe. – of Chile. – of Uspallata. – on eastern foot of Cordillera. – of Iquique.
Plata, La, elevation of. – tertiary formation of. – crystalline rocks of.
Playfair, Professor, on the transportation of gravel.
Pluclaro, axis of.
Pondicherry, fossils of.
Porcelain rocks of Port Desire. – of the Uspallata range.
Porphyry, pebbles of, strewed over Patagonia.
Porphyry, claystone, of Chiloe, – of Patagonia. – of Chile. – greenstone, of Chile. – doubly columnar. – claystone, rare, on the eastern side of the Portillo Pass. – brick-red and orthitic, of Cumbre Pass. – intrusive, repeatedly injected. – claystone of the Uspallata range. – of Copiapo. – eruptive sources of.
Port Desire, elevation and plains of. – tertiary formation of. – porphyries of.
Portillo Pass in the Cordillera.
Portillo chain. – compared with that of the Uspallata.
Prefil or sea-wall of Valparaiso.
Puente del Inca, section of.
Pumice, pebbles of. – conglomerate of R. Negro. – hills of, in the Cordillera.
Punta Alta, elevation of. – beds of.
Quartz-rock of the S. Ventana. – C. Blanco. – Falkland islands. – Portillo range. – viscidity of. – veins of, near Monte Video. – in dike of greenstone. – grains of, in mica slate. – in dikes. – veins of, relations to cleavage.
Quillota, Campana of.
Quintero, elevation of.
Quiriquina, elevation of. – deposits of.
Rancagua, plain of.
Rapel, R. elevation near.
Reeks, Mr. T., his analysis of decomposed shells. – his analysis of salts.
Remains, human.
Rio de Janeiro, elevation near. – crystalline rocks of.
Rivers, small power of transporting pebbles. – small power of, in forming valleys. – drainage of, in the Cordillera.
Roads, parallel, of Glen Roy.
Rocks, volcanic, of Banda Oriental.
– Tres Montes.