latitudes of southern Europe. They had reached the level of more than seven thousand feet above the ocean, where the great sheet of table-land spreads out for hundreds of miles along the crests of the Cordilleras. The country showed signs of careful cultivation, but the products were, for the most part, not familiar to the eyes of the Spaniards. Fields and hedges of the various tribes of the cactus, the towering organum, and plantations of aloes with rich yellow clusters of flowers on their tall stems, affording drink and clothing to the Aztec, were everywhere seen. The plants of the torrid and temperate zones had disappeared, one after another, with the ascent into these elevated regions. The glossy and dark-leaved banana, the chief, as it is the cheapest, aliment of the countries below, had long since faded from the landscape. The hardy maize, however, still shone with its golden harvest in all the pride of cultivation, the great staple of the higher equally with the lower terraces of the plateau.
Suddenly the troops came upon what seemed the environs of a populous city, which, as they entered it, appeared to surpass even that of Cempoalla in the size and solidity of its structures.12 These were of stone and lime, many of them spacious and tolerably high. There were thirteen