INDEX 



659 



Goldschmidt, gypsy moth, 217, 575 



Lymantria, 210, 546, 558 



population, 260 



potency of a sex-factor, 217, 218 

 Goodale, ducks and fowls, 550 

 Goodness of fit in Mendelian ratios, 100 

 Goodspeed and Clausen, Nicotiana rnmiies, 238, 

 240 



reaction systems, 242 

 Goss, pea crosses, 294 

 Grading in animal breeding 508, 583 



precautions in, 512 

 Graft components, 374, 378, 383 



hybrids, 374 

 behavior, 382 

 historical cases, 378 

 tomato-nightshade, 374 



infection, 381 



-symbionts, modification of, 383 

 Grafting and graft-hybrids, 374, 376 



of insects, 382 



of ovaries in fowls, 487 



in guinea-pigs, 485 

 Grains, composite crossing of, 296 

 Grape chimeras, 381 



collections, 299 



Concord, 290 



earliest American hybridizers, 290 



heterosis in, 364 



stocks, hybrid, 408 

 Grapes, immunity to phylloxera, 404 



resistance to phylloxera, 402 



resistant stocks, 404, 408 



wine, effect of grafting, 383 

 Grasses, at Svalof, 293 



remnant system, 335 

 Grassi, phylloxera, 405 

 Gregory, linkage in Chinese primrose, 125 

 Grew, sexuality, 437 

 Grouse locust, Paratettix. 

 Guignard, stock and scion, 384 

 Guinea-pigs, agouti pattern, 225 



effects of alcohol on, 493 

 of castration in, 550 



hybrid, 223, 235, 542 



inheritance of coat characters, 85 



Mendelian inheritance, 224 



ovarian transplantation, 485 



polydactylous, 553 

 Guthrie, fowls, 487 

 Guyer, chromosomes in man, 538 



defects in man, 524 



sex in fowls, 539 



Gynandromorphism, not due to mutation, 268 

 Gypsy moth, intersexes, 217, 575 



H 



Habit in sweet peas, 308 



Haemophilia, 524 



Hadley, white leghorn, 478 



white Plymouth rock, 479 

 Hagedoorn, pure lines, 258 

 Hall, experimental error, 430 



Hall and Itusscl, experimental error, 430 

 Hallet, plant breeding, 437 



selection, 366 



wheat, 289 

 Hansen, N. K., alfalfa, 296 



apples, 297 



pear blight, 407 



seed and plant introduction, 299 



resistant fruits, 408, 411 

 Hansen, Barber, Wolf and Jordan, mutations in 



bacteria, 27 

 Harris, egg production, 507 



milk yield, fi5 



ratios, testing goodness of fit, 102 



seed production, 442 



soil heterogeneity, 430, 431 

 Harris, O., cattle, 446 

 Hartley, bud sport, 273 



corn, 293 



plant-to-row-strain, 433 



selection, 335 



somatic variations, 272 

 Hayes, tobacco, 367, 368 

 Hayes and East, factors, competitive action of, 



150 



Hayes and Jones, cucumber crosses, 362 

 Hays, corn, 358 



grain breeding, centgener method, 293 



high protein, 359 



hybridization of plants, 294 



pedigree cultures, 419 



pure lines, 339 



selection, 366 



Hays and Boss, wheat inflorescence, 347 

 Headdcn, yellow berry in wheat, 418 

 Heape, sterility, 552 

 Hedera helix, dimorphic leaves, 275 

 Hedrick, apple breeding, 295 

 Hrli;mt 1ms lenticularis coronatus, 270 

 Hemoglobin, stereoisomeric forms, 266 

 Hemp, 318 



heteroeis in, 364 



purple leaved, 270 

 Henri, pear-quince hybrid, 378 

 Henry, tree hybridization, 305 

 Herbert, Erica, 438 



species crosses. 230, 438 

 Herd books, a source of Mendelian data, 465 



Shorthorn, 597 



Hereditary material of domestic animals, 444 

 Heredity, 1, 57, 439 



defined, 3 



problems of, 4 



methods of attacking, 4 



studies require funds, OO9 

 require time, 608 



study of revolutionized, 439 

 Heribert-Nilsson, CEnothera, 247 

 Heritability of variations, 15 

 Hermaphrodites in Lychnis dioica. 213 



mutants, 215 



Heterogeneity in species, 250 

 Heterosis, and partial sterility, 365 



explained, 232 



