as 
10. 
1H 
12, 
iS. 
14. 
LITERATURE CITED 
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—— and W.L. Brown, 1953. The popcorns of Turkey. Ann. 
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Barghoorn, E. S., M. K. Wolfe and K. H. Clisby, 1954. Fossil 
maize from the Valley of Mexico. Bot. Mus. Leafl. Harvard Univ. 
16: 229-240, 
Bird, J., 1948. America’s oldest farmers. Nat. Hist. 57: 296- 
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Danske Videnskabernes Selskab; Hist.—Filol. Meddel 29: 1- 
49, 
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Collins, G. N., 1909. A new type of Indian corn from China. 
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Goodwin, A. J. H., 1953. The origin of maize. S. African Arch. 
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Grobman, A., W. Salhuana and P. C. Mangelsdorf, 1956. Races 
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Hatt, G., 1951. The Corn Mother in America and in Indonesia. 
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