ASPECTS OF KINETIC EVOLUTION 



403 



spiny plants 258 

 Spirogyra 331 



spring-blossoming plants 383 

 Standfuss, experiments of 253 

 static theories defined 233, 298, 305 

 stenic species 377 

 stens, definition of 377 

 sterile hybrids 348, 397 

 structure of species 357 

 subsexes, definition of 371 

 subsexual species 371 

 subspecifie diversity 379 

 substitution 281 

 supersexes, definition of 375 

 supersexual species 375 

 Swingle, on positional heredity 353 

 symbasic adaptations 220 



evolution 302 



species 311, 376 

 symbasis, function of 323 

 symbasis defined 277, 317 

 synthetic theory 197 



tables comparing theories 307 



taxonomy inadequate 361 



temperature range of plants and animals 



211 

 teratic neisms 236 

 teratism 236, 272 

 termite organization 243 

 termites, heredity of 345 



tobacco experiments 385 

 tomato mutations 265 

 topism 236, 257 



unconscious selection 278 

 uniformity, conditions of 396 

 uniformity by autogamy 385 

 unisexual coffee mutations 275 

 use and disuse phenomena 254 

 utility, environmental and organic 215 



of new characters 318 



of sex characters 373 



variation, discovery of 229 



variations under domestication 360 

 vegetative propagation 366, 381 



variations 351 



vigor 380 

 Verbascum 249, 371 

 versatility of organisms 200 

 Viola 371, 383 

 Virginia partridge 267 

 vital tension 303, 355 



network 355 



Wallace, on natural selection 292 

 Washington palm 212 

 wealth and deterioration 218 

 Weismann on heredity 256, 300, 316 

 wheat, linic species 377 

 White on tomatoes 265 



