268 



INDEX 



'Evolution— Continued 

 and ethics, 215-33 

 controlled by genes, 33 

 ever-receding goal, 9, 228, 239 

 goal of, 234-49 



progression toward conscious 

 understanding, 69 

 new social, 68-69 

 supplement to organic evolu- 

 tion, 68 

 of man's mind, 237-39 

 organizing drive of, 3-10 

 physical background of, 11-22 

 progress in, 44-46 

 retrogression and degeneracy, 



45-46 

 trends of, 176-88 



two-phase, social and organic, 69 

 understanding necessary to free 

 ethics, 107 

 Evolution, the Modern Synthesis, 



176 

 Evolution a?id Ethics, 223 

 Evolutionary process, limitations 



of, 9 

 Exogamy, 93-94 

 Expanding universe, 13-18 

 Explosion theory, producing plan- 

 ets, 13-15 

 Eye, development of, 110-11 



Fabre, J. H. C, 140 



False-to-fact orientation, 184-85, 



216,239 

 Family life 



evolution of, 219-21 



grows into tribe, 94-95 



Old Man's influence, 92-96 



trend to, 90-94 

 Feed-back mechanism, 173-75 

 Feet, of man, 49, 58-60, 240 

 Ferns, 47 

 Fertility 



controlling, 212-13 



differential rates of, 203-4, 209- 

 14 

 Finlay-Freundlich, E., 21 

 Fire, use of, 61-62, 89-90 



Fish, birth rate of, 190 

 schools of, 75 



Fisher, R. A., 40 



Five-fingered limb, 52 



Flatworms, 48-49; see also Worms 



Fling, M., 32 



Food supply, outstripped by popu- 

 lation, 197 



Forebrain, 129-30 



Fossil record, 58-65 



Fossils 



in South Africa, 58-60 

 link to anthropoids, 59-60 



French, J. W., 116 



Freud, Sigmund, 95, 222 



Frisch, Karl von, 150-56 



Frogs and salamanders, 52 



Fruit fly, genetics of, 38 



Galileo, 88 



Galley Hill skulls, 62 



Garrow, A. E., 32 



Gastrula, 48 



Gautama Buddha, 104-5, 183 



Noble Eightfold Path, 105 

 Gelber, Beatrice, 116 

 Genes, 7, 30-34 



continuity of germinal plasma, 35 



favored, 41 



giant nucleoproteins, 37 



in control, 35-43 



living stream of, 35 



mutations of, 35-38 



unit of life, 34 

 Genetic differences, in man, 63-65 

 GeJietics and the Origin of Spe- 

 cies, 42 

 Geniuses, environmental needs of, 



204-6 

 Gerard, R.W., 231-32 

 Germinal plasma 



continuity of, 35 



natural variability of, 67 

 Gesell, Arnold, organization, prin- 

 ciple of order, 160 

 Gestalt psychology, 174 

 Giant ape-man, 61 



