Edward Davis Mathews, Up the Amazon and Madeira rivers… (1879)
“ Not that I would by this be understood as saying that I consider the republic to be outside the pale of civilization but, hemmed in, as she is, by the Andes and her neighbours, Peru and Chili, on the west, and by the impenetrable swamps and morasses of the yet unexplored Gran Chaco on the east, she may with truth be said to be so secluded as almost to form a small world of her own, and will continue to do so until the magnificent route of the Amazonian watershed is accepted as the natural inlet and outlet of trade. ”
