662 
Kildee and McCandlish, dairy cattle, 455 
grading, 509, 510, 511 
King, Miss, sex-ratio in rats, 542, 543, 
King, biometrical accuracy, 38 
law of probability, 34 
Klebs, effect of light on plants, 21, 
Klotzsch, tree hybridization, 365 
Knight, apple breeding, 295 
fertility, 438 
hybridization, 288, 294 
plant breeding, 437 
wheat rust, 411 
Kolreuter, Nicotiana, 228, 438 
species hybrids, 227, 230, 438 
Kuhlman, Jersey-Angus cross, 474 
Kyle, comparing yields, 358 
547 
L 
Labeling, system of, 423 
Laburnum-Cytisus graft-hybrid, 378 
vulgare, 378 
La Gasca, wheat varieties, 289 
Lamarck, acquired characters, 482 
evening primrose, 277 
theory of evolution, 14 
use and disuse, 491 
Lane, dairy records, 592 
Lang, population, 260 
Lankester, Lamarck’s laws, 482 
Larix, Ff: hybrids in, 365 
Lathyrus odoratus, 303 
Lavatera hybridized, 438 
vegetative vigor in species hybrids, 230 
Law of ancestral inheritance, 5, 250, 251 
of deviations from the average, 34 
of filial regression, 5, 55, 252 
of statistical regularity, 32, 33 
Leake, cotton leaf factor, 178, 179, 181 
Leaming, maize, 292 
Lecoq, species hybrids, 230 
Le Couteur, progeny test, 293 
plant breeding, 437 
selection, 366 
wheat varieties, 289 
Legumes, 317 
species and varieties, 302 
Leidner, rye inbreeding, 319 
Lemon bud selection, 391 
chimera, 271 
Eureka, 392 
performance records, 392 
shade-tree type, 392 
Leptinotarsa decemlineata, 30, 248 
selection in, 258, 260 
Lethal factors, 131, 546 
Lillie, barrenness in free-martin, 550 
free-martin, 545, 546 
Lily, species and varieties, 302 
Lime, common, an F; hybrid, 365 
Line breeding, 582 
selection, 291, 293, 340 
Linear arrangement of factors in the chromo- 
somes, 115 
INDEX 
Linkage, 104 
affecting quantitative inheritance, 186 
and chromosome theory of heredity, 104 
and composition of populations, 321 
and heterosis, 232 
and non-disjunction, 202, 204 
and prepotency, 576 
between purple aleurone and waxy endo- 
sperm in maize, 105 
chromosome interpretation, 108 
in Drosophila, 110 
in silkworm, 209 
in sweet peas, Chinese primrose, garden 
peas, snapdragon, oats, rats, silkworm, 
125 
method of determining, 127 
partial, 106 
relations in Mendelism, 104 
values predicted, 117 
variations in, 120 
Linnaeus (von Linné), bybrids, 437, 438 
Linum, 415 
hybridized, 438 
Lion, mane, 214 
Little and Phillips, mice, four Mendelizing factors 
in, 94 
Livestock, diverse ancestry, 493 
pure bred, 446, 450 
value of, 445 
Lloyd-Jones, fertile mule, 518, 519 
Lloyd-Jones and Evvard, color in cattle, 471, 472, 
473, 474 
Localization of cotton varieties, 440 
of plant breeding, 440 
of selected maize, 361 
of truck crops, 440 
von Lochow, rye, 293 
Lobelia, 438 
cardinalis X L. syphylitica, 230 
vegetative vigor in species hybrids, 230 
Loeb, Bryophyllum calycinum, 276 
Lotsy, Antirrhinum, 220, 222, 227, 248 
Nicotiana crosses, 229 
Love and Leighty, variation, 
stable, 55 
variation in oats, 43 
yield of plants, 38 
Lutz, Miss, @nothera chromosome counts, 285 
Lutz, dominance incomplete, 146 
Lychnis, dioica typica X angustifolia, 214 
bermaphrodite mutants, 215 
multiple allelomorphs in, 160 
sex-inheritance, 196, 213 
sex-linked characters, 214 
vegetative vigor in species hybrids, 230 
Lycium, hybridized, 438, 
Lymantria, dispar X japonica, 216 
intersexes, 216, 546, 558 
Lyon, experimental error, 430 
fluctuating and 
M 
MacDougal, experiments on plants, 27, 5 
Mackie, rust resistant grain, 412, 413 
no 
a 
Digitized by Microsoft® 
