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.