(see Mangelsdort 1974) that there may have been an in- 
dependent domestication of corn in South America. 
ACKNOWLEDGMENTS 
The field research during which the maize specimens 
were obtained was supported by a grant from. the 
National Science Foundation. The research was part of 
a Columbia University archaeological project in conjunc- 
tion with the Universidad del Norte in Antofagasta. 
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