Cuevas de los siete Linajes que poblacion en Mexico y al rededor del. Chicomoztoc (seven caves) the place from which the Aztecs believed they came, was the Nahautl word for the mouth or womb. In the Aztec myth of creation, the Mexica left the bowels of the earth and settled in Aztlán, from which they acquired the name Aztec and from where they undertook a migration southward in search of a sign for where they should settle once more. The Tovar Codex (16th century) contains detailed information about the rites and ceremonies of the Aztecs. The codex is illustrated with 51 full-page paintings in watercolor. The first section is a history of the travels of the Aztecs prior to the arrival of the Spanish. The second section is an illustrated history of the Aztecs. Illustration taken from a 19th century transcript of Juan de Tovar's Historia de la benida de los yndios apoblar a Mexico (the Co´dice Tovar).