Old history of the New World was coming to light. Each year that history looked more intricate, more ancient. It had not been an almost empty continent, with a few barbaric states, that the White Man's conquering guns and gods and diseases had invaded. The invaders had ended a succession of subtle, fantastic civilizations, and slain others just beginning to flower.
In romantic Chapultepec Castle, above the cypress-shaded park where Aztec Emperors once strolled, the Mexican Society of Anthropology met last week for its fourth annual "round table." The Mexicans and gringos who...