OTHER CITIES OF THE OLD EMPIRE. 433 
katun of the Middle Period. This may be interpreted as indicating that the tribe, 
while unable to maintain the high level of seven monuments for each hotun-ending, 
was able to erect two on most of these occasions, showing. a tendency, however, to 
drop back to second and fourth hotun-endings, as in the Early Period. <A fact not 
disclosed by figure 68 is that most of the monuments after 9.11.0.0.0 were erected 
at the Main Structure, which from this time on became the capital of the region. 
5. [he second long minimum from 9.14.0.0.0 to 9.16.5.0.0 (not very apparent 
in fig. 68). This second long return of the curve to the base-line for 45 years, 1. ¢., 
until the hotun-ending in 9.16.5.0.0, save for the erection of four monuments only, 
may be interpreted as indicating the period during which the Acropolis was under 
construction. 
6. The several and frequent maxima after 9.16.5.0.0, until the second and third 
high points of the curve are reached in 9.16.15.0.0 and 9.17.15.0.0 respectively. 
This may be interpreted as indicating that the height of sculptural and architec- 
tural activity was reached at Copan, as everywhere else, in the eighteenth katun, 
1. €., from 9.17.0.0.0 to 9.18.0.0.0. 
7. The sudden drop to the third ordinate in g.18.0.0.0 and to the first ordinate 
in 9.18.5.0.0 and in g.18.10.0.0, and its final return to the base-line before 9.18.15.0.0. 
This may be interpreted as indicating a swift loss of power before 9.18.0.0.0, though 
no loss of technical proficiency, and the final abandonment of the city in the follow- 
ing katun before 9.18.15.0.0. 
OTHER CITIES OF THE OLD EMPIRE. 
Before closing this study of the Copan inscriptions, it appears advisable 
to describe briefly the dates of the other principal cities of the Old Empire, 
so that the chronology of Copan may be compared with that of her con- 
temporaries. 
CEDPEMPIKE 
EARLY PERIOD MIDDLE PERIOD GREAT PERIOD 




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Fic. 69.—Diagram showing periods of occupation of the principal Old Empire cities. 
CHEN ITZA 
MTE 
RIGUA 
HONRADEZ 
BAL 




IAS CALIENTES 
RES 
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IQUE VIEJO 
-N SANTO 

