Index 



275 



Colloidal solutions 



dilatancy of, 88 



elasticity of, 85 ff . 



mechanical properties of, 85 ff . 



viscosity of, 85 fT. 



Coman, D. R., 174 



Complementary faces, 65 



Conduction of nerve impulses, 149 



Configuration, 62 



Continuity 



structural, 6, 7, 8, 252 



Contractile properties, 155 

 Contractile tension, 163, 166, 168, 169, 

 173. 174, 175, 182, 187, 189, 190, 194 



Contractility, 254 ff. 



centers of, 258 



molecular basis of, 262 



rhythmic, 243, 254, 255, 256, 259, 260. 

 261, 263, 264 

 Coordination points, 47, 53, 55 

 Coper, K.. 98 

 Copper. 61 



Cortical gel, 100, 127, 139, 140, 144, 153 

 Costello, D. P., 139, 153 

 Coulomb's law, 57 

 Coult, D. F., 38, 40 

 Cross-linkages, 64 

 Cyclopropane, 246, 247 



Cyclosis, 135 ff.; see also protoplasmic 

 streaming 



Cytochrome, 67, 69 



model, 63 

 Cytoplasm, 55, 58, 59, 60. 68. 71. 75. etc.; 

 see also protoplasm 



diagram. 105 



gel structure in, 127-161 



particulate nature, 42, 49 



structural differentiation, 99-107 



Cystine bridges, 53, 62, 65 



Dam, 267 



Dan, K., 139 



Daniel, F. K., 97, 98 



Darlington, C. D., 113, 114, 119, 120, 



123 

 Dehydration 



and thixotropy, 91 



of proteins, 37 



Deuticke, H. J., 154 



Dibenzoylcystine, 88 



Dilatancy, 88, 89, 91, 92, 94, 95 

 and adsorption, 92 

 and dispersion medium 91 

 and peptization, 91 



Dilatancy — continued 



and ultrasonics, 97 

 vs. rheopexy 



Dinucleotides, 61 



Diphosphopyridine nucleotide, 61 



Dipole, 47 



Diptera, 110 



Disintegration 



respiration, 73 

 Dispersion medium 



and thixotropy, 91 



Dognon, A., 98 



Double bond angle, 48 



Double refraction, 4; see also aniso- 

 tropy, birefringence 



protoplasm, 24-26, 31, etc. 



streaming, 25, 29, 35, 36, 37 



factoids, 93 

 Draper, J. W., 157 

 Drosojjhila melanogaster, 114 

 Dube, S. P., 98 

 Dynamoplasmogram, 209 ff. 



Ebbecke, U., 154, 157 

 Echinoderm eggs, 99, 100, 245 

 Ectoplasm, 167, 257 

 Ectoplast or surface film, 101-102 

 molecular structure of, 105-106 



Edsall, J. T., 38, 97 

 Edwards, D. J., 149, 151, 157 

 Edwards, J. S., 166, 167 

 Egg-albumen, 28, 267 

 Egg albumin configuration, 52 



Elasticity 



colloidal solutions, 85 ff. 



cortical cytoplasm, 99-100 



inner gel layer, 102 



muscle, 33, 253 



protoplasm, 32. 249-254, etc. 



rubber, 25-26, 32-33, 252. 253. 268 



salts, effect of, 251 



soaps, 33, 250 



sols and gels, 87 



structural continuity as the basis 



of, 252 

 thin solutions, 250 

 theory, 251 



Electric potential, 235 

 Electrical conductivity 



of sols and gels, 86 

 Electrical field. 56, 57 

 Electron-donating system, 65 

 Electrostatic forces, 62, 63, 64 



