With regard to the Mayan groups, the methods of 
maize storage during this period are unknown. The Co- 
dex 'Troano-Cortesiano suggests the use of clay jars, but 
no definite information is available. 
SUMMARY—PRE-CONQUEST PERIOD (1100-1518 A.D.) 
Granary Type Indian Group Distribution 
A. Imperial Granaries 
1. Rooms within palace Aztec Valley of Mex. 
2, Log-cabin granary Aztec Valley of Mex. 
Mixtec Mixteca of Oax. 
3. Cuezcomatl, vasiform, Aztec Valley of Mex. 
grass-daub Mazapan Puebla 
Tlaxcalan Tlaxcala 
4, Cask-like, wattle-daub Aztec Valley of Mex. 
B. Family Granaries 
a. Permanent and 
semi-permanent structures 
1. Niches of caves Tarahumara Son. and Chih, 
2, Rectangular and cylindrical, Tarahumara Son. and Chih. 
stone and mortar 
8. Wattle and clay daub Tarahumara Son. and Chih, 
4. Cuezcomatl, vasiform, Tarahumara Chihuahua 
grass-daub Aztec Valley of Mex. 
Mazapan Puebla 
Tlaxcalan Tlaxcala 
5. Clay jars Aztec Valley of Mex. 
Cahita Son. and Sinaloa 
Mayan (?) Yucatan (?) 
6. Log-cabin Aztec Valley of Mex. 
Mixtec Mixteca of Oax. 
7. Cinealli, highland crib Aztec Valley of Mex. 
b. Temporary methods 
of storage 
1. Rafters Aztec Valley of Mex. 
2. Tapanco, loft and interior Cahita Son. and Sin. 
of house 
3. Enramada Cahita Son. and Sin. 
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