192 



INDEX 



Burton, W. ; 16 

 Butlan, ibn, 149 



Caesar, J., 62 



Calculation, precedes geometry, 52 



Calendar, 37; Egyptian, 136; trea- 

 tises on, 153 



Canals, 71 



Candolle, A. de, 38, 54 



Carriere, E., 39 



Cauchy, A. L., 89 



Chace, A. B., 137 



Charles X, 92 



Chemistry, history of, 36, 41 ; modern, 

 origin of, 151; organic, 36 



Chevalier, A., 92, 94, 96 



China, science in, 135 



Christianity, development of, 144 



Christianity, Origins of, 109 



Cicero, 113 



Circulation of blood, 7, 32 



Columbus, M. R., 9 



Commercial needs, 37 



Computation, 10 



Comte, A., 30 ff, 53, 122; and 

 Spencer, compared, 121 



Conant, J. B., 171 



Confucius, 177 



Conies, 153 



Constantine the African, 154 



Cosmos, 22 



Cournot, A., 31 



Course of Positive "Philosophy, 122 



Crivelli, Lucrezia, 74 



Cubic equations, 153 



Damascus, capture of, 146 



Damiens, 179 



Dante, and Leonardo, compared, 80 



Dar al-Islam, 154 



Darwin, C, 42, 113, 118 



Decimal fractions, 10-11, 37 



Decimal system of numbers, 5-7, 136 



Densities, measurement of, 151 



Demante, T. F., 85 



Descartes, R., 42, 84, 91 



Development Hypothesis, 118 

 Diophantine analysis, 153 

 Diophantus, 45 

 Discoveries, industrial, 54 

 Discovery, psychological importance 



of, 52 

 Domestic plants, origin of, 42 

 Donatello, 66 



Duodecimal fractions, 11, 153 

 Dupuy, P., 90 

 Diirer, A., 41 

 Dynamics, 74, 80 



Earthshine, 75 



Eastern people, contributions to our 

 civilization, 136 



Ecole Normale, 89 



Ecole Polytechnique, 89 



Edwin Smith papyrus, 138 



Egypt, 137; science in, 135; capture 

 of, 146 



Egyptian mathematicians, 137 



Eliot, George, 121-122 



Enneagon, regular, 153 



Epidemics, history of, 36 



Equations, cubic, 153; determinate 

 and indeterminate, 137; fifth de- 

 gree, 88 



Errors, history of, 44 



Este, Isabella d', 68 



Euclid, 84, 137 



Euripedes, 143 



Evolution, 113 



Experiment, 75, 77 



Experimental method, 160-161, 162; 

 development of, 159 



Experimental spirit, incubation of, 

 160 



Exploration, 159 



Eyck, H. van, 39 



Eye-diseases, 1 56 



Fakhr al-Din al-Razi, 153 

 False position, method of, 137 

 Fan Ch'ih, 177 

 Faraday, M., 26 



