INDEX 



323 



Chemiotaxis, 142 

 Chordates, 39 



classification of, 287 

 Chromatin, 172, 203 



chemistry of, 204 

 Chromomeres, 172 

 Chromosomes, 203 



continuity of, 231 



crossing-over in, 235 



in development, 209 

 f maps of, 237 



outfits of, 208 



reduction of, 232 

 Cilia, 44, 72 

 Civilizations, 320 

 Classes, 222 

 Classifications, 40, 222 



of animals, 285 



of chordates, 287 



and embryology, 286 

 Colonies, organic, 36, 41 

 Colour-sensation, 118 

 Conflict, mental, 160 

 Conjugation, 175 

 Conscious process, 115 

 Conservation, law of, 64, 129 



in evolution, 99 

 Consumers, 96 

 Co-ordination, 90 

 Copulation, 180 

 Cosmic evolution, 271 

 Cross-fertilization, 227 

 Crustacea, 39 



Crystal structure, 8, 11, 24 

 Cytoplasm, 203 



Decerebrate animals, 146 

 De-differentiation, 198 

 Dendrites, 108 

 Dependence, 127 

 Descent, lines of, 305 

 Design, 140 

 Determinants, 209 

 Development, 130, 187, 207 



conditions of, 199, 215 



and chromosomes, 214 



direct, 188 



and energy, 212, 275 



Development and homology, 284 



and hormones, 292 



imperfect, 201 



indirect, 188 



and materialism, 212 



mnemic theory of, 219 



phases of, 190 



potencies in, 215 



psychobiological theory of, 218 



and randomness, 213 



and space, 216 



tectonics of, 214 

 Diatoms, 31 

 Differentiation, 198 

 Digestion, 81 

 Dimensions, 124 

 Dimorphism, 224 

 Dinoflagellates, 31 

 Dissipation, law of, 108 

 Domestication, 253 

 Dominance, 229 

 Drosophila, 235 

 Ductless glands, 46 

 Duration, 120 



Earth, age of, 302 



crust, 21 



envelopes, 272 



origin, 303 

 Echinoderms, 37 

 EfTector organs, 47, 112 

 Eggs, 189 

 Electrons, 57 

 Elements, chemical, 23 



in organisms, 23 

 Embr^^ogeny, 191 



and classifications, 286 



disharmonies of, 199 



regulations of, 199 

 Emergence, 277 

 Endocrine glands, 89 

 Endoskeleton, 39 

 Energids, 203 



Energizing systems, 55, 77 

 Energy, 56 



available, 56 



bound, 60 



control of, 68 



