INDEX 



AGREEMENT, Universal, 27-36, 



38, 48, 86, 92, 107, 108 

 Ampere, 75, 120, 155 

 Anthropology, 12 

 Archimedes, 120, 125 

 Association, Invariable, 41, 42, 



44, 49, 55, 62-66, 68, 105, 175, 



176 



BACH, 73 

 Bacon, 29, 72 

 Beethoven, 73, 102, 103 

 Bohr, 156 

 Botany, 13, 56, 75 

 Boyle, 75, 81, 82, 87 



CALCULATION, 144-153 



Cause and effect, 39, 40, 49-55 



Cavendish, 120 



Certainty, 59, 60 



Chance, 176-179 



Chemistry, 13, 75 



Colour, 33, 34, 128 



Copernicus, 5, 94, 99 



Coulomb, 1 20 , 



Counting, 112-116 



DENSITY, 125-133, 144-146 

 Dreams, 22, 23 

 Dynamics, 84-86, 99, 100 



ECONOMICS, 15 

 Einstein, 102, 156, 157 

 Evolution, Theory of, 5, 96, 97 

 Experiment, 54 

 Explanation, 77-80 

 External world, 17-27, 35, 38 



FALLACIES, Popular, 170-179 

 Faraday, 155, 160, 181 

 " Function," 142 

 Future, 59, 60, 64, 65, 70 



GALILEO, 73, 75, 93, 94, 99, 100, 



120, 181 



Gases, Properties of, 81, 82, 86 

 Gay-Lussac, 81, 82, 87 

 Geology, 13, 96 



Gravitation, 99-103 

 Greek learning, 6-8, 120 



HALLUCINATIONS, 22, 23, 32 

 Hardness, 128, 133 

 Heredity, 176-178 

 Hertz, 156 

 History, 7, 15, 37, 61 

 Huxley, 10 



INDUCTION, 76 



KEPLER, 99, 100 

 Kirchhoff, 120 



LAVOISIER, 73, 75 



Laws, Adaptation of, 64-67 



, Analysis of, 43-46 



, Bases of science, 37-39 



, Development of, 40-49 



, Discovery of, 58-76 



distinguished from 



theories, 85, 86 



, Explanation of, 77-108 



, Form of, 74-76 



of measurement, 119-122 



, Numerical, 52, 75, 76, 129- 



132, I35-M4 



, Object of, 67-69 



, Scientific, 37-57 



suggested by theory, 88, 91 



, Value of, 69-71, 166-168 



Linnaeus, 75 

 Lucretius, 93 



MAGNETS, 41 



Marconi, 156 



Mathematics, 7, 109, 142-157 



Matter, 13 



Maxwell, 155, 156 



Means and ends, 160-163 



Measurement, 109-134 



, derived, 124-132, 142-144 



, Laws of, 119-122 



of length, 118 



of number, m-ii6 



, value of, 132-134 



of weight, 117 



185 



