INDEX 



583 



van Bemmelen, (see Bemmelen, van) 



van der Waal forces, 151 



van Heymingen (see Heymingen, 



van) 

 van Slyke (see Slyke, van) 

 van't Hoff (see Hoff, van't) 

 Vaucheria, 41 

 Verworn, 9 

 Vinterberger, 409 

 Virchow, 467 

 Virulence, based on cataphoresis, 



381-382 

 Virus bodies, 25 

 Viscosimeter, 210 

 Viscosity, changes, 220 



definition, 209 



importance of, 209 



methods, 210-216 



versus plasticity, 223 

 Vital forces, 532 

 VitaUsm, 532 



of Driesch, 532 



of Rignano, 532 



revolt against, 533 

 Vitamins, 512 



A— 514-516 



B— 514 



C— 514, 519 



constitution, 515 



D— 515-516 



definition, 513 



E— 515 



G— 514, 515 

 Vogelaar, culture of human tissue, 

 77 



nutrient medium, 82 



stability of tissue, 79 

 Vonmiller, 41 



Votchal, electrical potential gradi- 

 ents in trees, 257 



plant potentials, 356 



W 



Warburg, adsorption and narcosis, 

 179 

 and toxicity, 287 



Warburg, respiration, 433 



respiratory pigment, 518 

 Water of hydration, 202 

 Water, control, 419 



culture, 429, 430 



heavy, 424, 425 



metabolic, 418 



role of, 418 

 Watson, 330 

 Waxes, 463 

 Weber, centrifuging and injury, 213 



effect of X-rays on dormancy, 409 



myelin forms, 468 



polar plasmolysis, 257 



protoplasm, 409 



viscosity and temperature, 221 

 Weight molecular, proteins, 477 

 Weismann, biophores, 9 



immortality, 73 

 Wells, 601 

 Wenham, 97 



Wenrich, chromosomes, 23 

 Went, 511 

 Wesson, 436 



Wliitaker, microelectrodes and pH, 

 331 



microthermocouple, 56 

 White, H. E., atomic models, 401-402 

 White, P. R., plant tissue culture, 



86, 87 

 Williams, 409 

 Willstatter, anthocyanin, 517 



enzymes, 508 

 Wilson, E. B., centrosome, 24 



living versus non-living, 10 



protoplasmic structure, 266 

 Wilson, J. A., adsorption bonds, 176 



gelatin chloride, 204 



structure of gelatin, 258, 261 

 Windaus, 465 

 Winter hardiness, 422 

 Withrow, 407 

 Wohler, 533 

 Wright, 437 

 Wrinch. 491 

 Wurmser, 346 



