INDEX 



Fowls, Seabright X Hamburg, 500 



secondary sexual characters, 548 



sex-linked inheritance, 200, 539 



trapnesting, 502 



variation in, 477 



White Leghorn, 478, 579 



White Plymouth Rock, 478, 479, 579 



White Plymouth Rock X White Leghorn, 

 478 



Wyandotte, 539 

 Fraximus, Fi hybrids in, 365 

 Free-martin, 545, 550 



Freeman and Johnson, Puccinia graminis, 412 

 Frequency distributions in quantitative inherit- 

 ance, 179, 183 



graphs, 39 



table, 38 



Fruit fly, Drosophila ampelophila. 

 Fruits, deciduous tree, 393 



disease of pomaceous, 407 



heterosis in, 364 



species crosses in, 297 

 and varieties, 302 



top-working poor trees, 391 

 Fruwirth, alfalfa, 296 



"Die Zuchtung der landwirtschaftlichen 

 Kulturpflanzen," 299 



hybridization, 287 



Functional modifications, transmission of, 491 

 Fusarium, vasinfectum. tracheiphilum, and 

 niveum, 413 



Q 



Galloway, seed and plant introduction, 299_ 

 Galloway and Dorsett, violets, 391 

 Gallon, biometrical method, 439 



law of ancestral inheritance, 5, 250, 251 



observational method, 5 



regression, 5, 55, 252 

 Galtonian regression, in pure lines, 252 

 Gametes, 70, 72, 73 



cross-over, 119 



male and female producing, 540 



non-functional in species hybrids, 234, 243 



number of different kinds in Mendelian 



experiments, 100 

 Gametogenesis, 2 

 Ganong, Scilla, 25 

 Gates, number of chromosomes, 2C3, 285 



(Enothera, 278 

 rubricalyx, 284 



somatic segregation, 274 

 Gartner, Nicotiana crosses, 229 



species hybrids, 227, 228, 230, 231, 438 

 Garton, grains, 296 

 Gaur X domestic cow, 520 

 Gayal X domestic cow, 520 

 Geddes and Thomson, sex-determination, 544 

 Genes, 71 

 Genetic analysis, goal of, 608 



constitution, and sex-determination, 218 

 of Ft individuals, 186 

 of gametes, 88 



Genetic constitution of pea plants, 70. 71 

 of phenotypes, 72, 73, 89 



data, methods of dealing with, 95 

 on animals, 608 

 recording, 603 



factors, alterations in, 263 



investigation, 609 



knowledge, need of, 609 



ratio, 87, 96, 100, 107, 112, 126 



variability and breeding, 459 

 Geneticists' investigations, 610 

 Genetics, application of, 11 



content of, 1 



defined, 1 



founded by Mendel, 439^ 



in agriculture, 12 



prerequisites for, 10 



problems of, 4 



relation to plant breeding, 440 



service of, 448, 450, 609 

 Genotype, 72 

 Genotypes, in fowls, 587 



in maize, 326 



in self-fertilized population, 320 



in wheat, 336 



not all pure lines, 256 



number of kinds in Ft, 100 



progression method of computing, 97 

 Genotypic selection at Svalof, 425 



fundamental in breeding, 262 



in animal breeding, 584 



registration rules favor, 496 

 Geranium, natural chimera in, 379 



variegation, 381 

 Germ cells, 57, 70, 73 



combination of chromosomes in, 65 



formation, 72 



production of, 60 

 Germinal, diversity in populations, 317, 462 



elements of domestic animals, 460 



recombinations and mutations, 453 

 Germ-plasm and soma, 2, 485, 490 



architecture of, 459 



continuity of, 485, 488 



isolation of, 488 

 Gernert, teosinte hybrids, 410 

 Geum, vegetative vigor in species hybrids, 230 

 Gibbs, seed and plant introduction, 299 

 Gideon, apple breeding, 295 

 Gigantism due to factors, 194 



due to tetraploidy, 264 

 Gilmore, timothy, 294 

 Gladiolus, 438 



cardinalis and G. tristis, 271 



colvillei, " The Bride," 270 



chimeras, 381 



species and varieties, 302 

 Glaser, chromatin, 264 



Glucosids, transmission from stock to scion, 384 

 Glycogen, stereoisomeric forms, 266 

 Goats, sex-determination in, 536 

 Godron, wheat, 438 

 Goldschmidt, effect of environment, 22 



free-martin, 545 



