336 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1954 



Emerson, R. A. 



1914. The inheritance of a recurring somatic variation in variegated maize. 



Amer. Nat., vol. 48, pp. 87-115. 

 1917. Genetlcal studies of variegated pericarp in maize. Genetics, vol. 2, 

 pp. 1-35. 

 Hodge, W. H. 



1949. The goliath of seeds. Nat. Hist., vol. 58, pp. 34-35. 

 LiBBY, W. F, 



1951. Radiocarbon dates II. Science, vol. 114, pp. 291-296. 

 Mangelsdoef, p., and Reeves, R. G. 



1939. The origin of Indian corn and its relatives. Texas Agr. Exp. Stat. 

 Bull. No. 574. 

 Meekill, E. D. 



1933. Crops and civilization. Nat. Hist., vol. 33, pp. 235-250. 

 1937. Domesticated plants in relation to the diffusion of culture. In Early 

 Man, ed. by G. G. MacCurdy. Philadelphia. 

 Weathekwax, p. 



1950. The history of corn. Sci. Month., vol. 71, pp. 50-GO. 



Reprints of the various articles in this Report may be obtained, as 

 long as the supply lasts, on request addressed to the Editorial and Pub- 

 lications Division, Smithsonian Institution, Washington 25, D. C. 



