69 
rushes tied with ribands (No. 2), do not repre- 
sent, as Gemelli asserts, periods of a hundred and 
four years^ or Huehuetiliztli, but cycles, or liga- 
tures, Xiuhmolpilli, of fifty-two years^". The 
whole picture exhibits only eight of these liga- 
tures, or four hundred and sixteen years. Re- 
membering, that the city of Teno'chtitlan was 
founded in the 27th year of a XiuhmolpilU, we 
find, that, according to the chronology of the 
picture (Plate 32), the emigration of the Mexi- 
can nations from Aztlan took place five cycles 
before the year 1298, or in the year 1038 of the 
Christian era. Gama places this emigration, from 
other indications, in 1064. The circles accom- 
panying the hieroglyphic of a ligature denote 
the number of times, that the years have beei 
connected since the famous sacrifice of Tlalixco 
Now, in the painting under our examination, we 
find the hieroglyphic of the cycle followed by 
four nails, or units, near the hieroglyphic of the 
gity of Colhuacan (No. 30). It was then in the 
year 208 of their era, that the Aztecks were re- 
lieved from the yoke of the kings of Colhuacan ; 
and this date is conformable to the annals of Chi- 
malpain. The circles placed oh the side of the 
hieroglyphics of the cities (Nos. 14 and 17), de- 
note the number of the years, that the Azteck 
nation dwelt in each place, before it continued 
* Seo vol. xiii, p. 286 . 
