Sahagun states that the dog is the symbol of fire (bk. iv, c. xxii).

Bk. ii, Appendix.

The locus classicus for representations of the octli-gods is the Codex Magliabecchiano, which presents a most valuable series of them, pp. 49–59.

Bk. i, c. xxii.

“Mirror covered with Straw.”

See Seler, “Temple-pyramid of Tepoxtlan,” Bulletin 28, U.S. Bureau of Ethnology, p. 349.

Teatro Mexicana, tom. i.

Hist. de los Indios, tom. ii, p. 240.

Bk. i, c. xiii.

Manuel de los Ministros, p. 35.