100 



MEXICO AND CENTRAL AMERICA 



in the modified lunar months. But the thirteen num- 

 bers have no recognized prototype. The formal book 

 of days generally was considered to begin with 1 Imix for 

 the Mayas and with a corresponding day for the other 

 Mexican and Central American nations. But it can 

 be made to begin anywhere and proceed to an equiva- 

 lent station that is always 260 days removed. 



The Conventional Year. It has been stated that 

 the Mayas arrived at a conventional 365 day year made 

 up of eighteen months of twenty days each plus a short 



Pax Kayab Cumhn Uayeb Zeis 



Fig. 36. The Nineteen Month Signs of the Mayan Year. The first 

 example in each case is taken from the inscriptions and the second from 

 the codices. The last details are signs for zero. ) - r 



period of five days that fell after the eighteen regular 

 months had been counted. The Mayan month names 

 are as follows : — 



1. 



Pop 



7. 



Yaxkin 



13. 



Mac 



2. 



Uo 



8. 



Mol 



14. 



Kankin 



3. 



Zip 



9. 



Chen 



15. 



Muan 



4. 



Zotz 



10. 



Yax 



16. 



Pax 



5 



Tzec 



11. 



Zac 



17. 



Kayab 



6. 



Xul 



12. 



Ceh 



18. 



Cumhu 



19. Uayeb (five additional days) 



