situated on a sterile plain at the base of rather high long hills or mountains. Nitre is practically the chief export. (25) We remained in La Paz loading nitrate & ore concentrates from Bolivia until 1 P.M. A distinct remark in Prescott's Conquest led me to the discovery that the Andes have only one low spot in them or break thin the wall which is at Cajamarca, where they pass are only 6,000 or 7,000 ft high, South of this point they remain 14,000 to 15,000 feet eight to the Transandine Pass which pass is 28,000 ft. North of Cuzco Cajamarca they are again high thus this place is near the boundary of many Andean animals some like the llama & vicunna not roaming further north.