ASPECTS OF KINETIC EVOLUTION 



401 



discriminate mutations 393 



disjunction 337 



diversity, conditions of 396 



of hybrids 388 



reactions 385 

 domesticated species 359 

 domestication of food plants 385 

 dominant characters 337 

 double-celled organisms 344 

 Draba 378, 383 

 dynamic causes 304 



educational danger 367 

 elementary species 378 

 elimination 281 

 elk, antlers burdensome 217 

 Engler, on mountain plants 267 

 environment, definitions 223 

 environmental fortuity 215 



influence 335 



reactions 213 

 ethics of race 335 

 Eucalyptus, metamorphosis 241 

 evening-primrose mutations 387 

 evolution a process 289 



by restricted descent 378 



defined 277 



theories compared 307 

 evolutionary species 210 

 exaggerated heterism 388 

 explanations of evolution 288 

 expression problem 294 



false hybrids 395 



fasciation 352 



Ficus 220 



fig insect 219 



fish with protective color 214 



fitness by correlation 221 



origin of 222 



problem 198 

 forces of evolution 328 

 formulae of evolution 285 

 fortuity 215 



of environment 218 

 frog with protective color 214 



galls, heredity of 352 

 genetic variations 236 

 germinal incompatibility 348 



selection 301 

 Gomphodesmidae 312 

 graft-hybridism 352 

 growth defined 330 



stages 235, 237 

 Gulick isolation theory 314, 318, 377 

 Guyer on hybrids 348 



Hawaiian snails 377 



Helix 377 



heredity, alternative or polar 345 



and crystallization 332 



and environment 333 



and heterism 353 



concept 327 



in cell-specialization 329 

 hermaphroditism 370 

 heterism 244, 279, 327 



and heredity ,353 



and sex 374 



heterism defined 235 



functions of 248, 346 



of clonic hybrids 388 



specialization of 247, 369 

 hetercecism 241 

 heterogamy 384 

 Hieracium, linic species 378 

 Houslonia 372 

 human descent 355 



evolution 363 

 Huxley, quoted 286 

 Hyatt's evolutionary forces 328 

 hybrids, diversity of 388 



of clones 388 



like mutations 394 



sterile 397 



various kinds 395 

 hybridization, limits of 394 



versus selection 390 



inbreeding, effects of 382 

 inconspicuous colors 213 

 infusoria, nuclei of 354 

 integral theory 197 

 intellect over-developed 217 

 interbreeding as evolutionary factor 323 

 intermittent evolution 309 

 intraspecific differences 226, 235 



figure of descent 197 

 isolation defined 278 



theory 314 



Jordan, on selection 260 

 Juniperus, metamorphosis 241 



karyapsis 397 

 Kelvin, opinion of 343 

 kinetic figure of evolution 323 



theory defined 295, 302, 306 

 Knowlton, on bird migration 211 



Lamarckian adaptations 230 

 L,amarekian theory 314, 333 

 Lankester, on heredity 333 



on selection 323 



on useless differences 314 

 laws and processes 289 

 leopard, black 375 

 Liberian fish 214 



limitations of clonic propagation 380 

 line-bred organisms 377 

 lines, definition of 377 

 linic conditions 383 



species 377 

 living matter specific 358 

 lizard with protective habits 214 

 Lydekker, on sheep 260 

 Ly thrum, heterism of 346, 372 



maize varieties, 377, 384 

 mathematical heredity 339 

 Maupas, on nuclei of infusoria 354 

 mechanical theories 319 

 Mendelisni and sex 348 

 Mendelian heredity 336 

 Merocheta 312 

 metamorphosis 240 

 metagenesis 240 

 Metcalf, on plasticitity 204, 206 

 mice experiments 337 



