140 



Index 



Experimentation, 30 



on organisms, 125 

 Explanation, 



causal, 33, 94 



kind of, 34 



of magnets, 68 



identical with description, 

 105 



of cancer, 125, 132 



Facts, observable, 33 

 Faith, 9 



religious, 85 



in the natural order, 102 



in the supernatural, 103, 136 

 Fatalism, germ-plasmic, 135 

 Feelings, 



social and unsocial, 47 



germinal, moral, 47 

 Forces, 



coordinating and unifying, 9 



molecular, 73 

 Forecasting, 101 

 France, 7 



Galileo, 9, 22 

 Gases, 66 

 Generalization, 33 

 Generation, chemical, 65 

 Genesis, 



organic, 46 



natural, 59 



interpretation of natural, 73 



of living things, 78 



physical, 80 

 Genetics, 118 

 Geniuses, 79 



natural products, 80, 83 

 Germ cells, 41 

 Germ plasm, 82 

 Germany, 



doctrine of survival of the fit- 

 test, 7 



course of, 8 



deadly philosophy of, 9 

 Germs, 41 

 Golden Rule, 87 



Gravitation, 

 law of, 39 



type of physical integration, 

 40, 73 



Habits, 34 

 Haldane, J. S., 127 

 Happiness, 



and misery, 32 



and efficiency, 95 

 Harvey, William, 



tercentenary of, 17, 22 



period of, 29 



contribution to self-knowl- 

 edge, 31 



interpretation of natural phe- 

 nomena, 34 



effect of work, 36 



achievements since, 39 

 Heart, 30 



motion of, 33 



Hemolytic action of blood, 121 

 Heredity, 80 



as Fate, 83 

 Histology, 118 

 History, Teggart's Prolegomena 



to, 77 



Human body, 131 

 Human species, 39 



"hardly human," "without 

 souls," 43 



scrutiny of, 46 



gregarious and social, 46 



military type of, 80 

 Huxley, 73, 75, 107 

 Hydrogen and oxygen, 64, 74 

 Hypothesis, Christianity's work- 

 ing, 62, 125 



Ideals of life, 18 

 Ideas, 108 

 Identity, 42 

 Impulse, fighting, 101 

 Individual, 



specificity, 39, 41 



unique, 78, 92 



potency of, 93, 114 



