652 
Cammerer (Comerarius), ‘‘Epistola de 
Plantarum,’’ 437 
Carnation, bud sports in, 398 
species and varieties, 302 
Carrier, effect of crossing, 360 
Carriére, bud mutations, 366 
Carrot, selection, 290, 292 
Castanea americana, mollissima, 406 
primula X crenata, 410 
Castle, blending inheritance, 189 
color in horses, 466, 468 
crossing-over, 576 
dihybridism in guinea-pig, 85 
effects of selection, 334 
factors variable, 192 
fruit fly, 553 
guinea-pig, 224, 553 
heredity defined, 3 
hooded rats, 186, 188, 192, 454 
Mendelian inheritance, 188 
mutant rats, 190 
selection studies in rats, 190, 191 
selection, 258 
in corn, 328 
size inheritance, 188 
sterility, 554 
Castle and Phillips, acquired characters, 486 
hooded rats, 187 
ovarian transplantation, 485, 486, 487, 488 
Castle and Wright, guinea-pigs, 558 
linkage in rats, 125 
Castration, effects of, in animals, 548 
in wheat, 348 
of hermaphrodite flowers, 343 
Cat, sex-linked characters in, 538 
sterility in tortoise-shell, 555 
Cattalo, 535 
Cattle, Aberdeen Angus, 461, 473, 514, 515, 534, 
572 
Alderney, 490 
Ayrshire, 454, 471, 475, 572 
bison hybrids, 533, 542 
Blue gray, 473 
breeding, 500 
crossed with the yak, gaval, gaur, zebu and 
bison, 520 
Dexter-Kerry, 527 
diversity of ancestry, 460, 461 
Durham, 463 
Dutch Belted, 475 
face pattern, 454, 474, 534 
Galloway, 473, 514 
Guernsey, 510, 574 
grading southern range, 529 
Hereford, 454, 463, 508, 529, 534, 584 
Holstein Friesian, 445, 454, 458, 463, 471, 
510, 572, 594 
hornlessness dominant, 267 
Jersey, 511 
Mendelism in, 471 
mutations in, 463 
niata, 276 
Old Sussex, 455 
Park, 471 
Sexu 
INDEX 
Cattle, polled, 463 
sex-determination in, 53 
Shorthorn, 461, 463, 471, 472, 501, 514, 529 
555, 572, 584, 596, 598, 611 
Shorthorn * Hereford, 475 
Zebu hybrids, 520, 531 
Cavia porcellus & rufesceus, 223, 235, 575 
Cavy, factors, 223 
hybrids, 223, 235, 542 
Cell division, 59, 61 
mechanism, 274 
Cells, 57, 58 
in graft-hybrids, 374, 376, 378, 380 
Centgener method, 293 
Cereals, species and varieties, 302 
Characters, 71, 72 
acquired, 480 
in domestic animals, 454 
secondary sexual, 214, 548 
sex-linked, 197, 214 
“thrust’’ and ‘‘achieved,’’ 481 
Chase, orange and lemon, 391 
Checkerboard, dihybrid, 88 
method of Punnett, 98, 99 
trihybrid, 92 
Cherry, breeding, 297 
eye color in Drosophila, 156 
stock-scion effect, 383 
Chestnut, bark disease, 405 
Chinese, resistant to Endothia, 408 
hybrids, disease-resistant, 410 
Chimera, defined, 270 
in tomato, 272 
natural, 378 
Chimeras, 270, 374 
cells in, 377, 380 
color, 381 
due to factor mutations, 271 
hyperchimeras, 375 
in citrus, 378, 381 
in orange, 375 
natural, 272, 381 
periclinal, 375, 380 
sectorial, 375, 380 
structure, 381 
tissues in, 377, 380 
tomato-nightshade, 374 
Chinquapin-chestnut hybrids, 410 
Chromatin, 59, 63, 67 i 
in bacteria, 264 
interchange between homologous chromo- 
somes, 63, 65, 67, 108 
the only permanent constituent of nucleus, 
266 
volume in two forms of primula, 264 
Chromomeres, 59, 67, 73 
Chromosome, aberrations, 263, 274, 285, 366 
constitution, non-disjunction and sex, 205 
dimensions and phylogeny, 264 
interpretation of dihybrid, 83 
of linkage, 108 
of monohybrid, 73 
of multihybrid, 95 
of trihybrid, 91 
Digitized by Microsoft® 
