INDEX 



821 



Chemical combination, 41 



energy, 29, 30 



excitants of secretion, 344 



excitation antagonised by nervous, 418 



formulae of colloidal complexes, 94 



immunity, 732 



potential, 29 



properties of radicles not fixed, 232 



reactions changed at interfaces, 54 



resistance, 42 



sense, 510 



sensitisation, 554 

 Chemi-luminescence, 557 

 Chemistry as molecular physics, 20, 229 

 Chemo-receptors, 724, 731 



Chlorides, action of, on central nervous 



system, 218 



Chloroform, reversal by, 499 

 Chlorophyll, absorption spectrum of, 562 



as chemical sensitiser, 566 



as optical sensitiser, 563, 565, 566 



chemistry of, 558 



system, 558 



efficiency of, 568 



photo-chemistry of, 563 



Chlorophyllase, 560 

 Chlorophyllin, 560 

 Chloroplast, structure of, 563 

 Cholesterol, 133 

 Chromaffine tissue, 711 



of leech, 711 

 Chromatic function, 575 

 Chromatophores, nerve network of, 473 

 Chromosomes of germ cells, 293 

 Chronaxie, 401 



in relation to diameter of fibres, 401 

 Ciliary muscle, 518 



Circle of Willis, 484 

 Circuit for electrical changes, 642 

 Circulation and osmotic pressure of blood, 

 164 



diagram of the, 672 



of blood, discovery of, 666 

 objects of, 664 



Clamping auriculo-ventricular junction, 679 



renal artery, effect of, on diuresis, 358 

 Clausius on laws of energetics, 28 

 Clear ideas not always true, 41 

 Coagulation, change of viscosity in, 243 



of blood, 702 



action of calcium in, 217 



of protoplasm in death or stimulation, 19, 



22 



on surface layer, 56 

 Coalescence of naked protoplasm , 22 

 Cobra venom, action of, on cell membrane, 



136 

 Co-enzyme, 316 



of lipase and equilibrium, 324 

 Cold, reaction to, 457 

 Collargol, 108 



Colloid theory of muscle process, 448 

 Colloidal aggregates, dimensions of, 94 



complexes, 64 



dispersion of metals in water, 222 



ferric hydroxide, 64 



gold (Faraday), 74 



formed by hydrazine hydrate, 74 



ions, 89, 95 



solutions, viscosity of, 242 



state, 74 



a general one, 75 



Graham's definition of, 75, 79, 83 



instability of, 75 



systems, examples of, 77 

 Colloids and crystalloids, 75 



formed in presence of salts, 95 



in vital phenomena (Graham), 77 



osmotic pressure of, 158 

 Colour blindness, 524 



mixing apparatus, 525 



of hydrosols, 88 



photography, 576 



sensitive plate, 556 



vision, in lower animals, 525 



theories of, 524 



Colours of flowers, 597 

 Combinations of sensations, 529 

 Combustion in muscle, Mayow on, 606 



Mayow on, 603 



Comparative method in physiology, 291 



physiology, viii 



psychology, 477 



Complementary chromatic adaptation, 567 

 Completeness of semipermeability of cells, 



122, 159 

 Complex adsorption, 107 



colloidal systems, 107 



proteins as aggregates, 104 



trivalent ion, 96 



Complexity of Brownian movements, 87 

 Compound interest law, 36 



reflexes, 500 



Compressibility of liquids, 150 

 Compression of gas, work done in, 33 

 Concentration battery, 36, 190 



formula for, 191 



in relation to nerve currents, 393 



of enzyme, 315 



of substrate, 317 

 and viscosity, 318 



related to adsorption saturation, 318 



Conclusions drawn from fixed cells, 16 

 Condensation in surface layer, 55 



of steam in oxidation process, 31 

 Condenser discharge, 380, 381 

 Condition of adsorbed material, 69 

 Conditioned reflexes, 477, 502 



with time element, 505 

 Conduction in muscle, 455 



of excitation in plants, 431 

 Conductivity and excitability in nerve, 385 



