274 



INDEX 



Faber, Canon, 249 

 Fates, 45 

 Fatigue, 151 

 Fertility, 193 

 Filial regression, 78 

 Fraunhofer, 12 

 Fruitfly, 89 

 Fuller, Thomas, 118 



Galton, 59, 77 



Oeddes, 48 



Genes, 61 



Germinal continuity, 59 



Grassi, 37 



Gregory, 16 



Groos, 170 



Gudernatsch, 88 



Health, 123 

 Heape, Walter, 180 

 Heredity, facts of, 56 

 Heritage, 47 

 Heron, 210 

 Hobhouse, 29 

 Hobson, 17 

 Hookworm, 38 

 Hormones, 132, 144 

 Humanities, 24 

 Huxley, 18 



Industrial age, 201 

 Infancy, 165 

 Inge, Dean, 219 

 Inheritance, 47, 49 

 Inheritance, Mendelian, 67 

 Instincts, 52 

 Instincts, Man's, 126 



James, 23 

 Jukes family, 112 



Keble, F., 207 

 Keith, Arthur, 127 

 Kelvin, 16 



Lamarckism, 98 



Lankestor, Sir Ray, 242 



Laveran, 37 



Lead poisoning, 154 



Leiper, 148 



Life ciu-ves, 1 58 



Life, duration of, 167, 203 



Liver fluke, 232 



Locusts, 36 



Loeb, 90 



Love, 179 



Maartens, 28 

 MacDougal, 90 

 Malaria, 37, 231 

 Malthus, 203 

 Man, ascent of, 239 

 Man, origin of, 31 

 Marriage, 188 

 Materialism, 225 

 Mendel, 39 



Mendelian inheritance, 67 

 Metchnikoff, 124, 188 

 Microbes, 148 

 Millard, 206 

 Modifications, 61 

 Modifications, defined, 95 

 Monogamy, 183 

 Morgan, T. H., 84 

 Mosquitoes, 37 

 Mott, F. W., 76, 109 

 Muscles, 129 

 Mutations, 55 

 Myres, J. L., 201 



Nature and nurture, 83 

 Nervous system, 134 

 Neurons, 135 

 Newsholme, 211 

 Night blindness, 70 

 Nougaret, 82 



