INDEX 



669 



Tenodera, 364 



Tephrosia, 467 



TERMINAL AFFINITY see 



affinity. 

 TERMINALISATION, 103 et sqq., 

 503 et sqq. 



and coiling, 488 



in fragments, 143 



and interlocking, 257 



in (Enothera, 342 



in polyploids, 120 



in sex chromosomes, 357 



in unequal bivalents, 261 

 Tetranychus, 277 

 TETRAPLOID, 63, 1S3 



animals, 66 



configurations at meiosis, 124 



constitution, 61 



hybrids, 203 et sqq. 



interchange heterozygote, 158 



meiosis, 120 et sqq. 



segregation, 286 



species, 217, 230 



See also polyploid, auto- and 

 allo-polyploid. 

 TETRASOMIC, 61, 322, 325 



segregation, 249 

 Tettigidae, 281 

 Tettigidea, 145 

 Tettigonia, 82, 311, 4gi 

 Thalicirum, 453 

 Thallophyta, 6, 441 

 Thea, 217 

 theory, balance, of mitosis, 544, 545 



of body repulsions, 514, 524, 527 



chiasma, of pairing, 126 et sqq., 

 164, 236, 300, 337 



chiasmatype, 250, 516, 518 



chromosome, 244 



co-orientation, 538, 539 



crossing-over, 250 et sqq., 547 et 

 sqq. 



of differential segment, 346 et 



sqq.. 349. 365 

 of evolution, see evolution, 

 of the gene, 245, 332, 502 

 of genetic balance, 315, 385 

 of genotypic control, 53, 399 

 of heterochromatin, 307 

 of heterosis, 136 

 of hysteresis, 483, 550 

 of illegitimate crossing-over, 275, 



575 

 of inert genes, 329 

 of localisation, 99 



theory — (contd,) . 

 Mendelian, 245, 250 

 of molecular spirals, 483 et sqq. 

 of mutation, 328, 345 

 of negative correlation, 293 

 of old clones, 421 

 of origin of apomixis, 434 et sqq. 

 of permanence of chromosomes, 40 

 of centromeres, 536 

 of centrosomes, 534 

 of pre- and post-reduction, 262 

 of precocity of meiosis, 113, 132 

 et sqq., 433, 473 et sqq., 481 

 et sqq., 486 

 of reciprocal chiasmata, 371 

 of relational coiling, 489, 548 

 of secondary segregation, 225 

 of specific attraction, 492 

 of structural change, 554 



secondary, 275 

 of sub-sexual reproduction, 477 

 of terminal affinity, 517 

 of terminalisation, 495 

 of the time-limit, 99 et sqq., 123, 



134, 166, 279 

 of torsion pairing, 493 

 Thismia, 438 

 Thomas, 399 

 Thyanta, 358 

 thy mo-nucleic acid, 20 

 Thysanoptera, 376 

 time limit, in pairing, see theory. 

 Timofeeff-Ressovsky, 422 

 Tinney, 308 

 tissue culture, 571 

 tomato, see Solanum Ly coper sicutn. 

 TORSION, 179 et sqq. 

 pairing, 166 



See also non-homologous pairing. 

 TRABANT, 37, 38, 305, 499 



lateral, 424 

 Tradescantia 



centromere, 528, XV 



chromosome size, 54 



coiling, 487 et sqq., IV, XIII 



fragments, 71, 142 



mitosis, 30, 31 



nucleoli, 306 



pollen grains, 221, 532, III 



of triploid, 318 

 somatic interchange, 421 

 terminalisation, 11 1, 113 

 X-ray breakage, 425 

 TRANSLOCATION, 59, 69, 555 et 

 sqq. 



