INDEX. 71 



Page. 



Eaat, E. M. , on crossbreeding corn 64 



Environment. See Adaptation. 



Experiineuts in crossbreeding corn at Chico, Cal 24-30 



Corsicana, Tex 30, 32, 34-37, 39-42 



Derwood, Md 10-14, 16, 20 



Pike Crossing, Md 11, 12, 14-15 



Sherman, Tex 30, 32-37, 39-42 



Statesboro, Ga 42-64 



Waco, Tex 30,32^2 



See also Corn, crosses, need of experimental tests. 



Fertilization of corn, method of crossing varieties 11, 27 



Fertilizer, application to land used in corn crossbreeding tests 46, 49 



First-generation crosses. See Corn, first-generation crosses. 



Gardner, F. D. , and Morrow, G. E. , on crossbreeding corn 64 



Georgia, adapted varieties of corn 31, 43, 44 



tests in crossbreeding corn 42-64, 65 



Germination, results of tests of seed corn 9-10, 16, 46-47, 66 



Grain, comparison of yield of corn crosses and parent varieties 8, 



12-30, 33-42, 50-62, 66, 67 



Harvesting, methods used in corn crossbreeding tests 46, 49 



Hays, H. K., and East, E. M., on crossbreeding corn 64 



Illinois, source of varieties of corn 10 



Inbreeding, factor in reducing yields of corn 8 



See also Corn, self-fertilization. 



Indiana, source of variety of corn 10 



Indian corn. See Maize. 



Inflorescence of corn, relation to crossbreeding 8, 11, 30 



Ingersoll, C. L., on crossbreeding corn 64 



Intermediacy, indications in crosses of corn 64-65 



Introduction to bulletin 7-9 



Isolation, factor influencing yield of corn 8, 11, 28 



Kansas, source of variety of corn 31 



Kellerman, W. A. , and Swingle, W. T. , on crossbreeding corn 64 



McCluer, G. W. , on crossbreeding corn 64 



Maize, factors influencing evolution 7,8 



See also Corn. 



Maryland, adapted varieties of corn 10, 19-22 



tests in crossbreeding corn 9-24, 30, 65, 66 



Methods, application of principles in crossbreeding corn 7-9, 



11-12, 16, 18-19, 21, 22, 24, 27-28, 30, 33-35, 37, 41-42, 46-49, 65, 66 



Mexico, soiu-ce of variety of corn 31 



Mississippi, source of variety of corn 31 



Moisture in shelled corn, crosses and parent varieties compared. 17-19, 21, 32, 49-50, 65 



soil, relation to yield of com 32, 36-37, 66 



See also Rainfall. 

 Morrow, G. E., and Gardner, F. D., on crossbreeding com 64 



Nebraska, source of variety of corn 10 



Nick, use of term as applied to crossbreeding corn 30, 66-67 



North Carolina, source of varieties of corn 42 



218 



