“ The northernmost province of Chile, bounded by Peru on the north, Bolivia on the east, the Chilean Province of Tarapacá on the south, and the Pacific on the west (Map: Bolivia, C 7) . Area, 8688 square miles. Its level and arid interior is inclosed by the slopes of the Andes on the east and the coast range on the west. The rainfall is very scanty, and with the exception of the river valleys, the interior is an arid desert. The climate is unhealthful and earthquakes are not infrequent. There are deposits of nitrate, silver, and copper, which are mined to a limited extent. ”