INDEX. 43 



Page. 



Corn, hybrids, first-generation, production, number, value, etc 7, 8, 28-31, 39-40 



superiority, popular belief 9-10 



use in extension of corn culture 31-33 



value, statement of W. W. Tracy 10 



yields 28-31, 39-40 



hand-pollinated, production and value 8-9 



in New York 17-18, 29 



seed, methods of production 37-39 



" ! I . self-fertilization, results on size of ear 14-15 



testing, methods 35-37 



vigor a factor of production 9, 39-40 



yield, increase over better parent 30-31 



See also Corn, sweet, hybrids, 

 improvement, cooperative crossing experiments at various agricultural 



schools 11 



in Indiana 12 



Maine 13 



isolation of pure strains, experiments in New York 17-18 



Kansas Dent, crossing, experiments 23, 29 



Leaming X Burr's White, comparison with parent varieties 16-17 



Eight-rowed, crossing, experiments 14-15 



Golden Beauty, crossing, experiments 15-16 



Mammoth, crossing, experiments 14-15 



Triumph, crossing, experiments 14-15 



Longfellow, crossing, experiments in Connecticut 18-20 



Maryland Dent, crossing, experiments 22, 29 



Mexican Dent, crossing, experiments 26, 28, 29 



Pignoletto, importation from Hungary, description 22-23 



plant, habits 8, 39 



pop, Algerian, crossing, experiments 25, 29 



Common Pearl, second-year crossing 13-15 



crossing, experiments in Illinois 13-15 



Queen's Golden X Common Pearl, crossing, experiments 14-15 



second-year crossing 13-15 



pre-Columbian, introduction in China 31 



Quarentano, crossing, experiments 27, 29 



Queen's Golden X White Dent, crossing, exj^eriments 14-15 



Quezaltenango black, crossing, experiments 25-26, 29 



Salvador black, crossing, experiments 26-27, 29 



second-year crossing, experiments in Illinois 13-15 



seed, hybrid, methods of production 37-39 



production, centralized, and first-generation hybrids. 33-34 



local, importance 33-34 



self-pollinated and cross-pollinated seed, comparison of yield in New 



York 18 



smut. Sec Smut, corn. 



soft, crossing, experiments in Illinois 13-15 



Stowell's X Eight-rowed, crossing, experirrients 14-15 



Gold Coin, crossing, experiments 14-15 



Mammolh, crossing, experimonls 14-15 



Triumph, crossing, experiments 14-15 



Sturges's hybrid, crossing, experiments in Connecticut 18-20 



191 



