282 



Index 



Sclerotium 



fragmentation of, 260 



Sea urchin egg 

 centrifugation, 23 

 double refraction, 34 

 fertilization, 34, 37 

 proteins, 34-37 



Seifriz, W., 1, 21, 30, 32, 33, 38, 39, 40, 

 97, 156, 243, 245, 267 



Sensitization, 91 



Separation distances, 65 



Serine, 56, 65, 67 



Shmargon, E. N., 114 



Side chains, 6, 8, 50, 54 



Silicic acid, dilatancy, 88 



Silk, 254 



configuration, 52 

 elastic properties, 33 



Simha, R., 39 



Siminovitch, D., 100, 107 



Singer, R., 268 



Single bond angle, 47, 48 



Slime mold, 163, 167, 168, 195, 246-249, 

 254-260; see also Myxomycete 

 Plasmodium 



locomotion of, 173-182 



pseudopods of, 180, 195 



Smith, S. G., 117, 119 



Smokes 



coagulation by ultrasonics, 96 



Soaps 



anomalous flow, 252 



elasticity, 32, 250 



electrical conductivity, 86 



jelly, 249 



Sodium stearate, 250 



Sols 



mechanical properties, 85 ff . 



Sol-gel equilibria, 128, 144 

 in relation to pressure, 132 

 in relation to temperature, 139, 153 

 types of, 152, 153 



Sol-gel transformation, 85, 93, 94, 99, 



127, 193, 257, 260 



Solation of protoplasmic gels, 127, 175, 

 176 

 quantitative measurements, 128 

 relation to cell function, 128, 129 

 relation to protoplasmic streaming, 



128, 129, 136 

 reversibility, 128, 140, 141 

 specific examples, 127, 128 



Sbllner, K., 85, 97, 98 



Solvation 



and gel formation, 94 



Southorn, W. A., 98 



Sparrow, A. H., 120, 122 



Specific area, 67 



Specific protein, 62 



Specificity 

 degrees of, 66 

 of molecules, 68 



Spindle; see mitotic spindle 

 Spinning capacity, 33 

 Sponsler, O. L., 41 

 Stability, 65 

 Stanley, W. M., 97 

 Starch 



dilatancy of, 88, 92 



grain, 73, 74 



thixotropy, 92 

 Staudinger, H., 29-30, 40 

 Stern, C, 124 

 Stern, E., 100 

 Sterols, 58, 59, 60, 65 

 Strasburger, E., 103 



Streaming 



double refraction, 25, 29, 35, 36, 37 

 of protoplasm; see protoplasmic 

 streaming 



Strongylocentrotus, 34, 192 



Structure 



cellulose, 4 



elasticity in relation to, 8, 257 



emulsion, 2, 3 



energy vs., 1 



fibrillar, 17 



gel, 4, 252 



granular, 2 



micellar, 3, 269 



proteins, 27-29, 35-36, 41 ff., etc. 



protoplasm, Iff., 23 ff., 41 ff., 85 ff., 

 99 ff., 245 ff., 267 ff., etc. 



synthesis, 72 

 Structural continuity, 6, 7, 8, 252 

 Structural differentiation 



cytoplasm, 99-107 



nucleus, 109-126 



Structural viscosity, 31, 32, 35, 96; see 

 also anomalous viscosity, anoma- 

 lous flow, non-Newtonian liquids 



Substrate, 67, 69, 70 



Succinic, 66 



Succinic acid, 61 



Sulphur, 61 



Surface films, 100-103 

 molecular structure, 104-106 



Surface tension, 251, 255, 261 



Suspensions 

 dilatancy, 89 



