INDEX 



563 



Sturtevant, linkage groups, 296, 301 

 QSnothera, 335, 336 



reciprocal translocation, 329 



sex determination, 395 

 Stypocaulon (brown alga), 169, 280 

 Suberin, 176 

 Successive division, 167 

 Suessenguth, 71, 167 

 Sugars, 100 

 Sugimoto, 139 

 Sumner, 28 

 Superlinkage, 338 

 Supersexes, 394 

 Surface tension, 169 

 Surirella (diatom), 280 

 Sutton, 122, 272, 445 

 Svedberg, 33 

 Svedelius, 122, 278, 280 

 Svenson, 302 

 Svensson, 239 

 Sverdrup, 351 

 Swammerdam, 424 

 Swarm spores, 197 

 Sweschnikowa, 124, 129, 343 

 Swezy, 10, 190, 223, 379 

 Swingle, D. B., 165, 166 

 Swingle, W. T., 159, 173 

 Symbiosis, 89 



Symphoricarpos (angiosperm), 44 

 Symplasm, 90 

 Synapsis, 252, 256, 257, 272-277 



and apomixis, 407 



and deletion, 319 



in heteroploids, 350, 351, 352 



in hybrids, 359 ff. 



after inversions, 319, 320 



in polyploid hybrids, 361 ff. 



after reciprocal translocation, 331, 332, 333 



in tetraploid, 350 



in triploid, 352 

 Synchytrium (fungus), 50, 165, 199, 229 

 Syncytium, 15, 24, 171 

 Synergids, 210, 211, 237 

 Syngamy, in alg», 226 



in animals, 239-249, 263 



in fungi, 229 



historical, 436-439 



physiology of, 247 



in plants, 197, 200, 211, 22fr-239 

 Synizesis, 256 

 Sypkens, 55 

 Syringa (angiosperm), 186 



Tackholm, apomixis, 405, 408, 409 



cytokinesis, 167 



heteroploidy, 340, 348 



hybrids, 362-364 

 Tahara, 197, 247, 340, 345, 402 

 Takamine, 124, 188 

 Takeda, 415 

 Talceporia (moth), 380 

 Tammes, 64 

 Tanaka, 420 



Tandy, 158, 281, 282 



Tangl, 16, 18 



Tannin, 96, 97 



Tannreuther, 190 



Tansley, 278 



Tanzer, 51 



Tapetal Plasmodium, 181 



Tapetum, 79, 83, 181, 183, 308 



Taraxacum (angiosperm), 402, 403, 415 



Tassement polaire, 135 



Taxodium (gymnosperm), 208, 235 



Taxus (gymnosperm), 235 



Taylor, C. V., 6, 10, 19, 31, 49, 53, 223 



Taylor, G., 188 



Taylor, J. W., 367 



Taylor, W. R., 114, 124, 129, 130, 139, 142, 260, 



264, 265 

 Telezynski, 54, 133, 135 

 Teliospore, 231 

 Telomitic, 116 

 Telophase, meiotic, 262 



somatic, 106, 108, 134, 135 

 Teosinte {see Euchlmna) 

 Telosynapsis, 337 



Temperature effects, activation, 248 

 chromosome behavior, 273 

 crossing-over, 302 

 mutation, 311, 345 

 rate of mitosis. 111, 186 

 translocation, 317, 321 

 Tennent, 146, 195, 412 

 Tephrosia (moth), 413 

 Terao, 415 

 Terletzki, 16 

 Terminalization, 268-271 

 Terni, 85, 86, 87, 220 

 Tertiary mutants, 329 

 Tertiary wall layer, 175, 176 

 Tetrad chromosome, 252, 258, 262, 263, 271 

 Tetradesmus (green alga), 68 

 Tetranychus (mite), 410 



Tetraploidy, 339, 342, 347, 350, 365 ff., 395 

 Tetrasomic plants, 350 

 Tetrasomic ratios, 352 

 Tetraspores, 280 



Thalictrum (angiosperm), 340, 343, 391, 396 

 Tharaldsen, 154, 244 

 Thatcher, 25, 64, 93 

 Theophrastus, 422 

 Thom, 204 

 Thomas, 177, 308 

 Thompson, D'A. W., 19, 23 

 Thompson, W. P., 342, 366, 396 

 Thomsen, 410, 411 

 Thomson, 47, 399, 441 

 Thuja (gymnosperm), 235 

 Thuret, 437 

 Tiffany, 177 



Timberlake, 165, 171, 174 

 Timof^eff-Ressovsky, 311 

 Tischler, achromatic figure, 153 

 amitosis, 183 

 apomixis, 401 

 cambial initial, 51 

 chromomeres, 142 



