Note 6 — Front matter
Reading edition
If, however, we accept the date of 54. 9. 1. 0. 0. 0. in Quirigua as historical, as I was inclined to think when I wrote "Memoranda on the Maya Calendars used in the Books of Chilan Balam," the foundation of Quirigua would be anterior to all the dates which I have used in the above calculations.