Note 28 — INDEX OF NAHUATL PROPER NAMES, WITH EXPLANATIONS.
Reading edition
From yollotl, heart, and pi, to tear out. The instrument is mentioned by Tezozomoc, Cronica Mexicana, cap. 48. On the Yopico, and its ceremonies, see Sahagun, Historia de Nueva España, Lib. II, cap. 1, and Appendix.