INDEX 437 Phosphine, 397.3 Pigments, 282 Pitch, 216, 235, 406.4, 422.6, 423.9, 424.2 Plasma, 347.4, 426.4 Plastic flow, 4, 52, 228, 254 measurement, 321 Plasticity, 215, etc.; 349.3, 349.8, 350.1, 354.3, 355.3, etc.; 356.2, 390.3, 358.5, 358.6, 359.5, 362.7, 363.1, 367.7, 368.2, 376.5, 388.2, 388.6, 390.5, 391.3, 392.8, 399.3, 401.2, 403.7, 405.2, 406.4, 409.7, 411.2, 417.3, 418.9, 423.7, 427.1,.429.1 and bacteria, 419.5 calculation, 323 of clay, 387.8 definition, 216 and fusibility, 411.9 of ice, 239, cp. ice. of salt rocks, 391.6 series of metals, 236 and solubility, 293 of steel and glass, 392.6 Plastics, 368.2, 374.2 Plastometer, 375.5, 406.8 Plate glass flow, 39 Pleural exudate, 390.3 Poise, 61 Polar colloids, 208, 212 Polarization and fluidity, 35 Polydispersed systems, 394.4 Positive curvature and chemical combination, 172, 183 Potassium bromide solutions, 182 halide solutions, 381.2 iodide, 373.5, 374.6 nitrate, 374.6 thiocynate, 374.6 Precipitation of colloids, 380.7, 384.5, 384.6 Pressure, 138, et *eq.t 243, 351.6, 354.2, 361.8, 369.7, 372.5, 379.7, 384.1, 385.5, 391.7, 410.9, 418.3 Pressure, corrections, 299 regulation, 294, 305 true average, 298 Proteins, 356.7, 361.3, 373.1, 393.6, 399.2, 400.3, 404.9, 410.7, 423.6, 426.4 Pseudoglobulin, 361.3 Pyridine, 379.3 Q Quartz, viscosity of, 377.6 R Racemic compounds, 112, 366.8 Radius of capillary, 321 Raffinose solutions, 426.2 Rare gases, 250, 378.8 Rate of crystallization, 190, cp. solidification, of hydration, 410.7 of reaction, 366.4, 376.3 Reciprocal properties, 83 Refractive index, 393.8 Regimes, 4, 142 Relaxation number, 128 Residual affinity, 112 Resistance, cp. conductivity. Reynolds critical velocity, 40 Rigidity, 128, 218, 256, 384.4, 398.1 Ring grouping, 124 Road building, 282 Rocks, 352.8, 353.3 Roentgen rays as affecting viscosity, 410.1 Roughness of surfaces, 149 Rubber, 212, 280, 350.3, 352.6, 353.3, 371.5, 372.9, 388.3, 394.5, 410.4, 406.7, 411.5, etc., 413.6, 418.7, 423.4, 428.2 Rupture, 229 Sagging beam method, plasticity, 227 Salt solutions, 347.2, 348.7, 349.4+, r I