428 



INDEX 



Anderson, 395 



Androcyte, 88, 89 



Androgone, 88, 89 



Aneura (liverwort), 82, 87, 239 



Angiosperms 



fertilization, 298, 299 



sporogenesis, 225 

 Antedon (echinoderm), 327 

 Antheridium, 87, 222, 289, 290 

 Anthoceros (.liverwort) 



apical cell, 27 



chondriosomes, 122 



fertilization, 293 



plastid, 103, 104, 105, 113, 114 



pyrenoid, 104, 108, 109 

 Anthocyanin pigments, 122, 135 

 Anti-fertilizin, 287 

 Antirrhinum (snap dragon), 332 

 Aphis (aphid), 318 

 Apical body, 89 

 Apical cell, 27 

 Apical growth, 27 

 Apis (bee), 318 

 Apogamy, 311 ff., 312 

 Apospory, 311, 315 ff., 316 

 Apotettix (grasshopper), 391 

 Apposition, 192 



Arbacia (sea urchin), 78, 160, 330 

 Arber, 212 



Arcella (protozoan), 62, 281 

 Archicarp, 223, 290, 312, 313 

 Archoplasm, 115, 181 

 Arctostaphylos (angiosperm), 134 

 Ariscema (angiosperm), 104, 105, 248 

 Aristotle, 1 

 Armadillo, 357 

 Arnold, 239 



Artemia (crustacean), 318 

 Artichoke, 134 

 Artificial cytasters, 78, 280 

 Artificial parthenogenesis, 284 ff. 

 Ascaris (nematode worm) 



centrifuged egg, 330 



centrosome, 77 



chondriosomes, 118 



chromatin diminution, 404, 405 



chromosomes (somatic), 150 



cleavage, 404, 406 



fertilization, 276, 277, 280, 281 



hybrids, 164 



individuality of chromosome, 157, 

 164 



polar body, 318 



Ascaris (nematode worm) reduction, 219, 

 239,. 248, 256, 276 



sex-chromosomes, 358, 359, 367 



spermatozoon, 274 

 Ascidian egg, 329 



Ascobolus (fungus), 80, 81, 223, 290, 291 

 Ascogonium, 312 

 Ascomycetes, centrosomes, 80 



fertilization, 290 ff. 



mitosis, 179 



reduction, 223 



Ascophanus (fungus), 291, 312 

 Ascospore wall, 80, 291 

 Asexual reproduction, 137 

 Askenasy, 193 

 Asparagus, 121 

 Aspergillus (fungus), 290, 312 

 Aspidium (fern), 91, 313, 314, 373 

 Assimilation, 106 

 Aster. 26, 76, 177, 178, 183, 189, 279, 



280, 286 



Asteretta (liverwort), 87 

 Astrosphere, 76, 177, 178 

 Atamosco (lily), 315 

 Athyrium (fern), 315, 317 

 Atkinson, 223, 248, 290 

 Atoms and factors, 353 

 Atrichum (moss), 88 

 Attraction sphere, 26, 76, 177 

 Auerbach, 16 

 Autogamy, 282 

 Autosome, 358 

 Autumnal colors, 136 

 Avena (oats), 348 

 Axial filament, 273, 275 



gradient, 139 

 Axon, 29, 30 



B 



Bacillus Butschlii, 67 

 Bacteria, 3, 66, 108 

 Bacterium gammari, 67 

 Bailey, 63, 177, 192 

 Balbiani, 61, 155 

 Ballowitz, 274 

 Baltzer, 160, 327, 371 

 Bancroft, 35, 44 

 Banta, 370, 371 

 Barber, 38 

 Barley, 122 

 Barry, 15 

 Bartlett, 372 



