PREFACE.
ix
second, from this, together with historical evidence. The tribe appears to have been at the time in a peaceable, quiet, and comparatively happy condition, which will carry us back to a time preceding the fall of Mayapan, and before the introduction of Aztec soldiers by the Cocomes.
11th. I think we find conclusive evidence in the work that the Ahau or Katun was a period of 24 years, and the great cycle of 312; also, that the series commenced with a Cauac instead of a Kan year, as has been usually supposed.
Lastly, I add that I think Brasseur was right in supposing that this work originated in that section of the peninsula known as Peten.
CYRUS THOMAS.