Rogers, Professor, address to Association of American Geologists.
Rose, Professor G., on sulphate of iron at Copiapo.
S. Blas, elevation of.
S. Cruz, elevation and plains of. —valley of. —nature of gravel in valley of. —boulder formation of. —tertiary formation of. —subsidence at.
S. Fe Bajada, formations of.
S. George’s bay, plains of.
S. Helena island, sea-cliffs, and subsidence of.
S. Josef, elevation of. —tertiary formation of.
S. Juan, elevation near.
S. Julian, elevation and plains of. —salt lake of. —earthy deposit with mammiferous remains. —tertiary formations of. —subsidence at.