At head of title: Guyot's mural atlas, adapted to Guyot's courses of physical geography. Relief shown by contours and shading. Insets: Section from the coast of Guyana through the Andes of New Granada to the Pacific Ocean -- Section from the mouth of the Amazon through the Andes of Quito to the Pacific Ocean -- Section from Bahia on the coast of Brazil through the Andes of Bolivia to the coast of Peru. Wall map.