CHAPTER IV1A generic name for green precious or semi-precious stones—turquoise, jadeite, nephrite, emerald, etc.2In Kingsborough, Antiquities of Mexico, vol. vi.3On this identification see also Torquemada, bk. vi, c. xix.4Codex Telleriano-Remensis.5Seler, Codex Vaticanus B, p. 132.