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INDEX 



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Words in capitals appear in the glossary. 



Page references to the text are in roman type, to tables in italics, to figures 

 in clarendon, and to plates, in roman numerals. 



Acanthocystis, ^j^ 



A carina, 376 



ACENTRIC FRAGMENT, see 



fragment. 

 Acer, 64, 242 

 Acetahularia, 21 

 Acholla, 58, 368 

 Aconitum, 37, 232 et sqq. 

 Acrididae, 77 

 Acridium, 261 

 Acrocladium, 222 

 Actinophrys, 15 

 adaptation, 474 et sqq. See also 



evolution. 

 JEgilotriticiim, see Triiicum-^gilops 

 ^senilis, 56, 234, 2J4, 567, VIII 



univalents, 530 

 AFFINITY, 129 



differential, 171, 185 et sqq., 

 198 et sqq., 328 



terminal, 370, 517 



See also attraction, pairing. 

 Agapanthus, 306, 308, 498, 514, XV 



centromere, 538 



pachytene, IV 

 Agar, 575 

 Agaricaceae, 82 

 Agave, 81, 218 

 Aggregata, 28, 43, 48, 82 



centrosome, 533 



chiasmata, no 



segregation, 249 

 Agropyrum, 218, 234 

 Akemine, 523 

 Alchemilla, 437, 453 

 Alectorolophus, 145 

 Aleurodes, 377 

 ALLELOMORPH, 334 

 Allen, 16, 357 

 Allium, hybrid, 162 



interchange, 151 



interlocking, 256 



localisation, no 



Allium — (contd.) . 



mitotic chromosomes, 37, 39 



pollen, 317 



spindle failure, 400, 405 



spirals, 4gi 



terminalisation, 113 



tetraploid, 119, J25, 129 



X-rayed, XII 

 Allium Moly, XII 



odorum, 401, 439, 441 



Schoenoprasum , 226 



ursinum, 46 

 Allolobophora, XIV 

 ALLOPOLYPLOID, 183 et sqq., 



248. 338 



evolution of, 329 



secondary structural change, 277 

 ALLOSYNDESIS, 199 et sqq. 

 Aloe, 31 



Alstroeyneria, XV 

 ALTERNATION OF 



GENERATIONS, 6, 435 et sqq., 



449 

 Alydus, 89, 142, 519 

 Amblystegium, 217, 448 

 Ambly stoma, 306, 541 

 AMEIOSIS, 296, 379, 406, 473 

 AMITOSIS, 47, 49 

 Amceba, 21, 50 

 Amorpha, 1^4 

 ANAPHASE, forces, 531 et sqq. 



meiosis, 113, 114 



mitosis, 23, 28 



multivalents, 130 



univalents, 410 et sqq. 

 Anas, 171, 333 

 Anasa, 373, 519 

 Ancvracanthus, 9, 45, 363 

 ANDROGENESIS, 442 

 Anemone, no, 22 j 

 ANEUPLOID, 61, 68, 126, 127. 



See also monosomic, trisomic, 



tetrasomic. 



051 



