INDEX 



653 



BOUQUET, see polarisation. 

 Boveri, 41, 315, 432, 573 

 brachymeiosis, 263 

 Brachystola, 161 

 Bragg, 522 

 Brassica, 66, 103 



basic number, 241 



hybrids, 192, 418 



secondary pairing, 242 

 See also Raphanus . 

 breakage ends, 555 et sqq. 



See also chromosome breakage, 

 breeding, as opposed to cytological 



method, 298, 302 

 bridge, 268 



Bridges, 278, 285, 385, 386 

 Brink, 262 

 Brochymene, 366 

 Bromus, 215, 40J 

 Bryophyta, 6, 246, 248, 356 

 Buller, 8, 248, 575 



Callitriche, 82, 22y 

 callus, 63 



Camarophyllus, 442, 457 

 Cambarus, 82, 8j 

 cambium, 84 

 Camnula, 314 

 Campanula persicifolia, VI 



haploid, 444 



interchange, 150, i^g, 161 



interlocking, 256 



non-reduction, 192 



terminalisation, 104, 506, 513 

 Canna, 2iy, 308 

 Cannabis, 66, 405 

 Cardamine, 78, 214 

 Cassia, 228 



Catcheside, 241, 354, 557 

 CELL, 2 



elimination, 555 



glandular, 175 



multinucleate, 65 



selection, 430 

 cell-size, 84, 221, 515 

 cell- wall, action on spindle, 532 



and centromere, 540, 545 



embryo-sac, 437 

 centric reaction, 524 

 centric segment, 69 

 centrifuging, 19, 20, 46, 571 



spindle, 522 

 CENTROMERE, 23, 26, 28 et sqq., 

 315- 535 et sqq., 562, XV 



abnormal division, 411 



CENTROMERE— (con/^.) . 



in Ascaris, 58 



attractions, 498 



branching of chromosome, 74 



cohesion, 552 



and crossing-over, 260, 551 



cycle, 486, 561 



and differential segments, 346, 369 



doubleness, 431 



effect on condensation, 308 et sqq. 



equilibrium, 528, 529 



function, 340 



and interchange, 350 



interphase, 117 



inversion relative to, 265 



leptotene, 90 



in multivalents, 129 



and non-disjunction, 153 



pachytene, 98, XV 



pairing, 372 



permanence, 273, 424 



priority, 552 



repulsion, 152, 235, 519 



salivary glands, 176, 177 



second metaphase, 117 



spindle reaction, 193, 530 



in structural change, 69 



synchronisation, 72, 396 



and terminalisation, 105 et sqq., 

 507 et sqq. 



trivalents, 529 



See also chromatid and 

 chromosome, dicentric and 

 acentric. 

 CENTROSOME, 9, 26, 49, 523 



continuity, 533 et sqq. 



division-cycle, 399, 538 



and parthenogenesis, 464 



X-rayed, 427 

 centrosphere, 4g, 534 

 Ceresa, 373 

 Chambers, 43, 521 

 Chara, 435, 442, 458, 469 

 Charophyta, 6 



Chiarugi, 219, 438 et sqq., 452 

 CHIASMA, between sex 

 chromosomes, 370 



classification, 504 



coiling at, 95 et sqq., 549 



comparate, 116, 255, 268 et sqq. 



complementary, 268 



and crossing-over, 252 et sqq., 



550 

 disparate, 116, 255, 268 et sqq. 

 failure of, 405 et sqq. 



