That in either language the name Tutulxiu can be translated "Bird-tree" (Vogelbaum), as is argued by Dr. Carl Schultz-Sellack (_Archiv für Ethnologie_, Band XI, 1879), and on which translation he bases a long argument, is very doubtful. It certainly could not in Maya; and in Nahuatl, _tototl_ in composition would drop both its terminal consonants. The remaining names, Nonoual, Zuiua, Tula-pan, clearly indicate their Nahuatl origin. Zuiua, which was erroneously printed in Pio Perez's version as Zuina is Zuiva; Nonoual is Nonohual; Tulapan, literally "the standard of Tula," refers to the famous city of the Toltecs, presided over by Quetzalcoatl. All these names are borrowed directly from the myth of this hero-god. _Zuiven_ was the name of the uppermost heaven, the abode of the Creator Hometeuctli, the father of Quetzalcoatl, and the place of his first birth as a divinity. In later days, when the Quetzalcoatl myth had extended to the Kiches and Cakchiquels, members of the Maya family in Guatemala, "Tulan Zuiva" was identified with the Aztec Chicomoztoc, the famous "Seven Caves," "Seven Ravines," or "Seven Cities," from which so many tribes of Mexico, wholly diverse in language and lineage, claimed that their ancestors emerged in some remote past (compare the _Codex Vaticanus_, Lam. I; _Codex Zumarraga_, chap. I, with the _Popol Vuh_, pp. 214, 227). To this spot the ancestors of the Guatemalan tribes were reported to have gone to receive their gods; from it issued the Aztec god Huitzilopochtli; in it still were supposed to dwell his mother and other mighty divinities; and Quetzalcoatl was again the youngest born of Iztac Mixcohuatl, the mighty lord of the Seven Caves (Motolinia, _Historia de los Indios de Nueva España_ p[TN-12] 10, etc.). _Tula_, properly _Tollan_, a syncopated form of _Tonatlan_, which means "the place of the Sun," was a name applied to a number of towns in Mexico, all named after that magnificent city inhabited by the Tolteca ("dwellers in the place of the Sun"), servants and messengers of the Light-God their ruler, the benign, the virgin-born Quetzalcoatl. The common tradition ran that it was destroyed by the wiles of Tezcatlipoca, the brother, yet the eternal enemy, of Quetzalcoatl, and that at its destruction the Toltecs disappeared, no one knew whither, while Quetzalcoatl, after reigning a score of years in Cholula, journeyed far eastward to the home of the Sun, where he enjoyed everlasting life. _Nonohual_ also had a place in this myth. It was a mountain over against Tulan. There it was that the eldest sister of Quetzalcoatl resided. When he was made drunken by the insidious beverage handed him as a healing draught by Tezcatlipoca, he sent for this sister, held to her lips the intoxicating cup, and with her passed a night of debauch, the memory of which filled him with such shame that nevermore dared he face his subjects. Such is the story recited at length in the Aztec chronicle called the _Codex Chimalpopoca_.