Nahuatl Poetry and Metaphysics The Pyramid of Fire
is an unknown Aztec Codex (hieroglyphic manuscript) which was most probably painted in the last half of the fifteenth century. The content of the codices was more varied than the existing examples seem to indicate, the great majority being ritualistic and divinatory. The Pyramid of Fire
belongs to this group of divinatory codices which were called in Nahuatl (the language of the Aztecs) tonalamatl--
the book of the days. These books were all calendars consisting of 260 days. The number 260 was arrived at by combining 20 day signs with 13 numbers. The...