LITERATURE CITED 
Grant, U.J., W.H. Hatheway, D.H. Timothy, C. Cassalett D., and 
L.M. Roberts, 1963. Races of Maize in Venezuela, Nat. Acad. 
Sci.-Nat. Res. Council Publ. No. 1136, 
Grobman, A., W. Wilfredo Salhuana, and R. Sevilla in collaboration 
with P.C, Mangelsdorf, 1961. Races of Maize in Peru. Nat. Acad. 
Sci.-Nat. Res. Council Publ. No. 915. 
Mangelsdorf, P.C. and W.C. Galinat, 1964. The tunicate locus in 
maize dissected and reconstituted. Proc. Nat. Acad. Sei. 51: 147- 
150. 
Mangelsdorf, P.C., R.S. MacNeish, and W.C. Galinat, 1964. Do- 
mestication of corn, Science 143: 538-545. 
Roberts, L.M., U.J. Grant, R. Ramirez E., W.H. Hatheway, and 
D.L. Smith in collaboration with P.C. Mangelsdorf, 1957. Races of 
Maize in Colombia. Nat. Acad. Sci.-Nat. Res. Council Publ. No.510. 
Wellhausen, E.J., A. Fuentes O., and A.H. Corzo in collaboration 
with P.C. Mangelsdorf, 1957. Races of maize in Central America. 
Nat. Acad. Sci.-Nat. Res. Council Publ. No. 511. 
[ 112 } 
