652 



INDEX 



Angiosiomum, 404 



ANISOGAMY, 17 



Annelida, 67, 469 



Aniennaria, 438 



antheridia, 436 



Anthoceros, 223 



Anthoxanihum , 159, 161 



Avtirrhivum, 319 



Aphides, 373, 383 



Aphis, 91, 373, 376 



Apis (bee), 20, 376 



Apodemns, 368, 370 



APOGAMY, 435 et sqq. 



APOMIXIS, 18, 434 et sqq. 



APOSPORY, 435 et sqq., 448 



Apotettix, 383 



Aquilegia, igo 



archegonia, 437 



Arpliia, 313 



artefact, 25, 34, 236, 565 



Artemia, 221, 438 et sqq., 469, 544 



Artemisia, 438, 452 



Ascalaphus, 58 



Ascaris, centromeres, 537 



chromosome aggregation, 57, 59, 



364 

 number, 82, 83 

 persistence, 43 

 diminution, 57, 329, 431, 432 

 non-pairing, 404 

 non-reduction, 41 

 triploidy, 67 

 Ascomycetes, 6, 10, 248 

 asexual reproduction, 4, 271 

 Asilus, 358 

 Asplanchna, 3yy 

 ASYNAPSIS, 200, 291 

 Athyrium, 436 



ATTACHMENT, of chromosomes, 

 see fusion 

 spindle, see centromere 

 of X and Y, see Drosophila 

 melanogaster 

 attachment chromomere, see 



centromere 

 attraction (specific), 481 et sqq. 

 and crossing-over, 548 

 in twos, 121 

 primary, 121, 303, 492 

 secondary, 178, 314, 493, 497 

 Aucuha, 38, 158, 159, 161 

 Aulacantha, 82, 83 

 auto-orientation, see orientation 

 autopolyploid, 125, 183 et sqq., 226 

 apomixis, 451 



AUTOSOME, 356 



Drosophila, 371, 372 

 AUTOSYNDESIS, 198 et sqq., 208 

 A vena, conditional precocity, 314 



hybrid, ig3, 276 



triploid, 559 



trisomic, 31 g 

 A vena saliva, 278 



asynaptic, 200 



non-pairing, 400 et sqq. 



unbalance, 323 



X-rayed, 429 

 Avery, 163 



Bacillus, 450 



BALANCE, 219, 240, 315 et sqq. 



secondary, 326 et sqq. 



and sex, 385 

 See also theory. 

 BALANCED LETHAL, see lethal 



balanced variation, 61 et sqq. 

 Balanophora, 437, 450 

 Balbiani, 175 

 Baranetsky, 4gi 

 BASIC NUMBER, 62, 75, 239 

 Basidiomycetes, 6, 8, 248 

 basidium, 8 



Bateson, 183, 572 et sqq. 

 Beadle, 283, 284, 397, 420 

 de Beaumont, 374, 357 

 bee, see Apis 

 Belar, 21, 31, 43, 47, 480, 520, 540, 



565. XVI 

 Bellevalia, 31, 92 

 Belling, 31, 156, 253, 569 

 Belostoma, 89 

 Benacus, 565 

 van Beneden, 532 

 Berberidaceae, 84 

 Beta, 205 

 Betula, 208 

 Bibio, 178 

 Biscutella, 46 

 BIVALENT, 87, 106 et sqq. 



non-congression, 526 



ring, 108 



unequal, 161, 247, 260, 261 

 Blakeslee, 321 

 Blaps, 145, 363 

 blepharoplast, 9 

 Bombyx, 292, 370 



hybrid, 140 



mosaic, 448 



triploid, 216 

 Bonellia, 15 



