380 



Index 



Evolution (Cont.): 



of complex communities, 218 



reversibility of, 152 

 Evolution within the biome, 257 

 Evolutionary Concepts, 1 

 Evolutionary conservatism, 321 

 Evolutionary processes, fixity of, 343 

 Eucalyptus, 314 

 Euchistus, 195 

 Exploitation, 212, 216 

 Explosion theory, 12 

 Extinction, 239, 250, 319 



local, 125 



Felidae, 148 



Fermentation, 54 



Fern evolution, 200 



Fir-spruce biome, 255 



Filter bridge, 310 



Fire, 272 



Flower types, evolution of, 233 



Food specialization, 151 



Fossils, 4 



of the holoarctic temperate decidu- 

 ous forest, 309 

 Foxglove aphid, 101 

 Freshwater communities, 306 



succession in, 270 

 Fritillaria camschatcensis, 155 

 Fumaric acid, 47 



Galaxy, 7 



Gametic wastage, 162 



Gannet, 126 



Gene, 62 



compound effects, 63 

 definition of, 69 

 enzymatic effect, 67 

 hypothetical, 70 

 "operational," 70 

 pleiotropic, 105 

 size of, 69 



Gene balance, 74 



Gene mutation, 77 



Genetic compatibility, 340 



Genetic complexity, reduction in, 146 



Genetic constituents, unusual, 142 



Genetic determinants, 62 



Genetic effect, changes in, 72 



Genetic homeostasis, 108, 142 



Genetic incompatibility, 178 



Genetic isolation, spontaneous, 196 



Genetic mechanism, 62, 150 



Genetic variability in natural popula- 

 tions, 85 



Genie action, 68 



Genie material, 79 



Genie proportions, change in, 111 



Genome, 62 



Geographic isolation, 157, 207, 335 



Geologic time scale, 57 



Geomorphic changes, 296 



Geomorphology, 207 



Geotectonic factor, 327 



Geotectonic machine, 336 



Geotectonics and evolution, 334, 335, 

 336 



Glade species, 279 



Glaucopstjche xerces, 135 



Glutamic acids, 46 



Glutathione, 32 



Glycine, 34, 45 



Ghjphopsyche inissoiiri, 173 



Gondwana land, 25 



Grassland communities, 232, 286, 288 



Great Plains, 19 



Grimmia patens, 172 



Groove-billed ani, 170 



Grus americana, 126 



Guanine, 39, 44 



H 



Haploid cells, fusion of, 55 

 Helicopsijche, 90, 109, 144 

 Helium, 13 

 Herring gull, 138 

 Heterochromatin, 63 



