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Cincinnati Society of Natural History. 



13. As the solar year consists of 365 days, and this calendar 

 does not contain more than 260, some authors thought, and among 

 them Torquemada, that it was merely a superstitious contrivance ; 

 but those who succeeded in discovering the exactitude it con- 

 tained, eulogized the reckoning as ingenious, and esteemed it as a 

 calendar of astronomy and chronology. The use of it was not 

 known to the common people, but was understood only by the 

 educated men and the priests, who used it in their religious rites, 

 and in order to announce to the people the days appointed for their 

 principal festivals. Its arrangement was in the following form : 



1. Ce Cipactli. 1. Ce Ocetotl. 



2. Ome Ehecatl. 2. Ome Quanhtli. 



3. Yei Calli. 3. Yei Cozca quanhtli. 



4. Nahui Cuetzpalin. 4. Nahui Ollin. 



5. Maculi Cohuatl. 5. Macuili Tecpatl. 



6. Chicuace Miquiztli. 6. Chicuace Quiahuitl. 



7. Chicome Mazatl. 7. Chicome Xochitl. 



8. Chicuei Tochtli. 8. Chicuei Chipactli. 



9. Chicuhuahui Atl. 9. Chicuhuahui Ehecatl. 



10. Matlactli Itzcuintli. 10. Matlactli Calli. 



11. Matlactli once Ozomalli. II. Matlactli once Cuetzpalin. 



12. Matlactli omome Malinalli. 12. Maclactli omome Cohuatl. 



13. Matlactli omey Acatl. 13. Matlactli omey Miquiztli. 



And in the same manner you continue the other sets of thirteen 

 days until you have formed twenty groups without encountering in 

 all of them a similar symbol with the same number, and, as the 

 first of these symbols is "Ce Cipactli," agrees always with that 

 of the first day of the common solar year. In the first thirteen 

 months that enter into the 260 days of the period, there is no need 

 for persons who are instructed to refer to these dates by the num- 

 ber of the days of any of those months, but to designate the 

 number and the symbol in the set of thirteen that corresponds. 

 And in this form I have a history, in the Mexican language, with 

 its figures and numerical characters, of the peregrinations which 

 were made by the Toltecs Icxicohuatland Quetzaltehueyac, copied 

 from that which Boturini refers to, in the first volume of the cata- 

 logue of his museum, wherein are designated the years with their 

 appropriate figures and the symbols of the days on which the in- 

 cidents happened that are there related, together with the 

 numerical characters that correspond to them. 



