INDEX 379 



Chlorophyll, 69. 

 Chlorophyllian organisms, 88 ; 



metabolism of, 265 ; a dominant group, 259 ; essential morphology ot, 



268 ; distribution of, 260. 

 Chromatin of the nucleus, 130 ; 



the material basis of inheritance, 182. 

 Chromosomes, 130, 182, 183. 

 Classification of organisms, 209. 

 Classificatory systems, are artificial arrangements, 289 ; 



suggest evolutionary process, 210. 

 Clausius, 54 ; 



and Camot's Law, 113. 

 Coelenterates, morphology of, 248. 

 Ccelomate animals, 256. 

 Colloidal platinum, 91. 

 Colloids, 107. 

 Colonial organisms, 164. 

 Comparative anatomy, task of, 251. 



Compensatory energy-transformations eftected by life, 309. 

 Conjugation, 173 ; 



and heredity, 176 ; a stimulus to growth, 175. 

 Consciousness 



involves analysis of the environment, 1 1 ; analysis of, is an arbitrary 



process, 12 ; a feeling of normality, 6 ; a part of crude sensation, 



40 ; simplified by reasoning, 41 ; an intensive multiplicity, 303 ; 



degree of, is parallel to development of sensori-motor system, 



280 ; not existent outside ourselves, 278 ; not a function of chemico- 

 physical mechanism, 160 ; intense in difficultly performed operations^ 



281 : and activity of cerebral cortex, 281 ; absent in parasites, 

 291. 



Conservation a test of reality, 357. 

 Conservation of energy, 52 ; 



in organisms, 83. 

 Conservation of structure, 253, 256. 

 Constants, mathematical, 344. 

 Continuity of cells in embryo, 171. 

 Contractility, 100 ; 



muscular, 103. 

 Co-ordinates, systems of, 23. 

 Corals, 164. 

 Cosmic evolution, 314 ; 



is a tendency towards degradation of energy, 316. 

 Creation, special, 214. 

 Curvature, 27. 



Curves, isothermal and adiabatic, 362. 

 Cuttle-fishes, 250. 

 Cytoplasm, 130. 



