Note 194 — Chapter II
Reading edition
Vidaca being the most southerly point of the present Peruvian coast; though the conquests of Peru, incorporated with the empire, extended far into Chili, and within a few degrees of Patagonia. In regard to Mexico, the northern limit of the empire was 21°, on the Atlantic coast, and 19° on the Pacific. Prescott's History of Mexico, vol. i. p. 2.