Lewis Spence,
The Popol Vuh: The Mythic and Heroic Sagas of the Kichés of Central America
“ But by the period of the formation of the myth it is probable that Xibalba had become confounded with the Place of the Dead, and was regarded as a fit theatre for the prodigies of craft and valour of the young hero-gods. The Kiché Hades had, in fact, evolved from the old northern home, exactly as had the Mexican Mictlan, which, although a subterranean locality, was also, and separately, a northern country. A complete Place of the Dead had been established, and the gods, to show their contempt of death, must descend thereto and emerge triumphant. ”
