366 



INDEX OF SUBJECTS. 



Energy, 37, Book ii., passim; 

 origin of idea of, 57 ; theory of, 

 62 ; the only objective reality, 

 64-5 ; and kinetic conception, 

 67 ; mechanical, 69, 73 ; of con- 

 traction, 75; kinetic, 76, 83; 

 potential, 76, 83; virtual, 77; 

 of motion and position, 79; 

 thermal, and its measurements, 

 80-2 ; chemical, and its measure- 

 ments, 81-2; chemical and po- 

 tential, 83; materialization of, 

 84 ; transformations of, 85 et seq. ; 

 luminous, 86 et seq. ; conserva- 

 tion of, 90 et seq.', capacity of 

 conversion of, 93 ; in biology, 

 97 ; in living beings, 99 et seq. ; 

 physical, 99 et seq.; vital, 99 

 et seq. 



Ether, 89 



Equivalence, law of, 91 



Excitability, 26-7 



FATIGUE, of metals, 264 

 Ferments, butylic and butyric, 



193 



Filiation, 250 

 Finulism 43 

 Food, a source of energy, 118 



et seq. ; thermogenic and bio- 



thermogenic types of, 131 et seq. ; 



dynamogenic type of, 143; 



nitrogenous, 143 ; of animals 



and plants, 153 et seq. 

 Force, directive, 16 et seq., 32, 39, 



48 ; vital, 45 ; an anthromorphic 



notion, 71 ; and work, 74; 



measurement of, 71 ; plastic, 



143; plastic and morpho plastic 



forces, 208 



Form, specific, 199 et seq., 281 

 Fruits, acids of, 136 



GEMMULES, 167, 258 

 Generation, spontaneous, 249 et 



seq., 294 et seq. 

 Globulin, 178 

 Glyceriue, crystals of, 302 

 Glycogen, 108, 153 et seq. 

 Gramme, 71 



HEAT, a mode of motion, 61 ; role 

 of animal heat, 122 ; mechanical 

 equivalent of, Si ; an excretum, 

 1 14 ; a degraded form of energy. 

 88; converted into work, 92 



Heterogeneity, 38, 61 



Histones, 179, 182 et seq. 



Horse-power, 75 



Hyaloplasm, 161 



IATRO-CHEMISTRY and mechanics, 



34-5 



Idioblasts, 167 

 Infusoria, death of, 337 

 Instability, 188 et seq. 

 Instinct, of life and death, 345 



et seq. 



Intussusception, 291 

 Invariant, mass the first, 63 

 Irreversibility, of vital energies, 



104 



Irritability, 27, 196 et seq. 

 Isodynamism, 142 

 Isomorphism, 286 



KA, the, 8 



Kilogrammetre, 72, 75; per 



second, 75 

 Kilowatt. 76 

 Kinetic theory, 39, 62 

 Knot, the vital, 21 



LEUCIXES, 183 



Leucites, 163 



Life, defined, 28 ; latent, 233 ; 



physico-chemical theory of, 36 ; 



elementary, 321 

 163 



MASS, and matter, 63 



Materialism, 34 



Matter, 37, 60, 62 ; and mass, 63 ; 

 two kinds of, 63; life of, 236 

 et seq. ; brute and living, 249 

 et seq. ; organization and con- 

 stitution of, 255 et seq. ; defined 

 as extension, 64 ; conservation 

 of, 65 



