382 



Index 



Layia, 180 



Leafhoppers, early Cenozoic dispersal 

 of, 320 



in subclimax communities, 315 

 Leopard frog, 138 

 Leptonema, 140 

 Lepus, 250 

 Lethal mutations, 77 

 Levelling process, 333 

 Life, appearance of, 56 



first, 51 



investigation of, 5 



nature of, 29 



ordering in, 339 



origin of, 45 



polyphyletic origin of, 51 



radiation of, 61 



theory of thermal origin, 48 

 Life zone, 280 

 Limnocentropidae, 93 

 Lipoproteins, 48 

 Lithospenniim, 275 

 Live-oak woodland, 288 

 Locusta migrator ia, 128, 130 

 Lumbricidae, 157, 199 

 Lycidae, 102 

 Lyell, 3 

 Lysine, 52 

 Lysiosquella, 246 



M 



Macroevolution, 90 

 Macrogametes, 72 

 Madro-Tertiary flora, 296 

 Magicicada, 184 

 Magnetism, paleo-, 25 

 Malic acid, 47 

 Malthus, 3 

 Mammals, 44, 319 

 Mande of earth, 19, 23 

 Marine biomes, 307 

 Marine communities, 232, 245, 246, 

 256, 262, 270 

 new areas for, 277 

 Marine organic reefs, 262 



Mars, 15 



Mechanical energy, 42 



Mediterranean fruit fly, 225, 228 



Meiosis, 73 



Mendel, 3 



Mendelian population, 112 



Mercury, 15 



Merychippus, 66 



Mesozoic, 230, 257, 263 



Methane, 16, 27, 45 



Micraster, 109 



Microcommunities, 283 



Microgametes, 72 



Microhabitats, 283 



Microhijla, 164, 174, 221 



Microtus richardsoni, 144 



townsendi cowani, 150 

 Milky Way, 8 

 Mimicry, 102, 237 

 Mississippian, 57, 257, 263 

 Mitotic center, 31 

 Mixing process, genetic, 81, 83 



in biomes, 300 

 Modern cell, evolution of, 51 

 Molecular machines, 37 



addition of, 55 

 Molecules, ordering properties, 339 

 Moon, 9 



Morgan, T. H., 3 

 Mormoniella, 63 

 Mountains, effect of, 328 

 Mountain systems, 23, 305 

 Miiller, 2 



Multi-species systems, 340 

 Mutualism, 212, 233 

 Mutants, homeotic, 91 

 Mutations and environment, 80 

 Mutations, chromosomal, 72 



effect of, 339 



gene, 77 



homologous, 79 



lethal, 77 



production of, 110 



reverse, 67 



selection of, 110 



viable, 79 



