CONTENTS. 



Prefatory note ( by W J McGee) 5 



Introduction 15 



Chaptkh I. Discnssion of the time series of the Dresden codex 16 



II. Discnssion of other time series 50 



III. Calendar of the inscriptions .55 



IV. Origin of the calendar 57 



ILLUSTRATION. 

 Plate I. Copy of jjlate 50, I )resdeu codex 18 



