CHAPTER X.

Roads leading to the Sierra--Chaclacayo and Santa Ines--Barometrical observations--San Pedro Mama--The Rio Seco--Extraordinary Geological Phenomenon--Similar one described by Mr. Darwin--Surco--Diseases peculiar to the Villages of Peru--The Verugas--Indian mode of treating the disorder--The Bird-catching Spider--Horse-Shoeing--Indian Tambos--San Juan de Matucanas--The Thorn-apple and the Tonga--The Tambo de Viso--Bridges--San Mateo--Passports--Acchahuari--Malady called the Veta--Its effects on horses--Singular tact and caution of Mules--Antarangra and Mountain Passes--Curious partition of Water--Piedra Parada--Yauli--Indian Smelting Furnaces--Mineral Springs--Portuguese Mine owners--Saco--Oroya--Hanging Bridges--Huaros--Roads leading from Oroya 179