Fitzroy, Captain, on the elevation of the Falkland islands. —on the elevation of Concepcion.
Foliation, definition of. —of rocks at Bahia. —Rio de Janeiro. —Maldonado. —Monte Video. —S. Guitru-gueyu. —Falkland I. —Tierra del Fuego. —Chonos archipelago. —Chiloe. —Concepcion. —Chile. —discussion on.
Forbes, Professor E., on cretaceous fossils of Concepcion. —on cretaceous fossils and subsidence in Cumbre Pass. —on fossils from Guasco. — —from Coquimbo. — —from Copiapo. —on depths at which shells live.
Formation, Pampean. — —area of. — —estuary origin. —tertiary of Entre Rios. —of Banda Oriental. —volcanic, in Banda Oriental. —of Patagonia. —summary on. —tertiary of Tierra del Fuego. — —of the Chonos archipelago. — —of Chiloe. — —of Chile. — —of Concepcion. — —of Navidad. — —of Coquimbo. — —of Peru. — —subsidence during. —volcanic, of Tres Montes. — —of Chiloe. — —old, near Maldonado. — —with laminar structure. — —ancient, in Tierra del Fuego. —recent, absent on S. American coast. —metamorphic, of claystone-porphyry of Patagonia. —foliation of. —plutonic, with laminar structure. —palaeozoic, of the Falkland I. —claystone, at Concepcion. —Jurassic, of Cordillera. —Neocomian, of the Portillo Pass. —volcanic, of Cumbre Pass. —gypseous, of Los Hornos. — —of Coquimbo. — —of Guasco. — —of Copiapo. — —of Iquique. —cretaceo-oolitic, of Coquimbo. — —of Guasco. — —of Copiapo. — —of Iquique.
Fossils, Neocomian, of Portillo Pass. — —of Cumbre Pass. —secondary, of Coquimbo. — —of Guasco. — —of Copiapo. — —of Iquique. —palaeozoic, from the Falklands.
Fragments of hornblende-rock in gneiss. —of gneiss in gneiss.
Freyer, Lieutenant, on elevated shells of Arica.
Frezier on sea-level at Coquimbo.
Galapagos archipelago, pseudo-dikes of.
Gallegos, Port, tertiary formation of.