ico continued to use the same types Of maize granaries as those existing 
before the Conquest. The granary system of the Indian rulers came 
to an end shortly after the Conquest, but the new Encomienda system 
began using some of the same methods of maize storage. The only 
definite information in this regard is that given for the use of the 
wooden log-cabin type of granary used in the Encomienda of Yan- 
huitlan, Oaxaca, among the Mixtec Indians. 
VI. Lare 19th Cenrury PErRIop 
With regard to the study of maize granaries, the only 
important change after the political independence of 
Mexico was the substitution of the Hacienda system for 
the Encomienda. In general, the Indian population con- 
tinued to use its characteristic methods of maize storage. 
However, the prolonged absence of a definite tribal or- 
ganization and the increase in the non-Indian population 
resulted in a gradual mixing of granary types, a degen- 
eration in building techniques, the introduction of foreign 
elements, and the disappearance of Indian granary types 
over large areas of Mexico. 
A. Hacienda Granaries 
Very little information is available as to the methods 
of maize storage under the Hacienda system. It is to be 
expected, however, that these would show a strong for- 
eign influence. 
1. Conical stone and mortar structures. These re- 
markable granaries, recently photographed by P. C. 
Mangelsdorf (Pl. XLX, A,B), are found in a small area 
in the States of Aguascalientes, Zacatecas and Jalisco 
(I. Kelly, in correspondence). These conical structures 
have walls of adobe faced with lime mortar and small 
stones. They have a winding stairway on their outer sur- 
face leading to an inlet close to the apex. A large rec- 
tangular door at the base serves for the removal of the 
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