Figure 1. Author's line drawing of p. 30 of Codex Borgia. The dead sun, containing the latent forms of its resurrection (Quetzalcoatl as morning and evening star) in the viscera of the underworld. A cycle of calendar signs and four forms of the rain god surround the sun. This image could have been used as a mandala. Actual size: 10 in. x 10 1/4 in.