568 



PROTOPLASM 



Dispersed phase, 89 

 Dispersion medium, 89, 119 

 Dissociation, complete, 297 



incomplete, 297 

 Diurnal movement, 197 

 Dixon, 288 

 Donnan, equilibrium, 203 



membrane potential, 349 



permeability, 290 

 Dorn effect, 357, 366 

 Double layer, 108 

 Drew, 19 

 Driesch, hormone, 512 



vitalism, 532 

 Drosophila, 23 



effect of X-rays on, 410 

 duBois, 413 



duBois-Reymond, 280, 334 

 Duclaux, E., bacteria, 529 

 Duclaux, J., colloids, 91 



stability, 109 

 Ductility, 229 

 Ductless glands, 509 

 Duggar, 512 



Dujardin, immiscibility of proto- 

 plasm, 207, 265 



living jelly, 209 



protoplasm, 1 

 duNoliy, {see Lecomte du Noiiy) 

 Dutrochet, cell theory, 31 



osmosis, 182 



E 



Eagle, 494, 496 



Ebeling, growth substances, 82 



human tissue, 76 



tissue stability, 79 

 Ectoplasm, 4 

 Edema, 420 

 Egg, acid polarity, 355 



eel, electric, 355 



ray fish, 355 

 Eggs, charge on, 380 

 Ehrenberg, 1 

 Ehrhch, 502 

 Eijkman, 513 

 Einstein, Brownian movement, 106 



Einstein, diffusion formulas, 143 



light, 396 

 Elasticity, definition, 229 



extensibihty, 229 



properties, 229 

 Electrocratic colloids, 147 

 Electroculture, 333 

 Electrode, calomel, 317 



glass, 320 



hydrogen, 315 



microhydrogen, 331 



reference, 317, 348, 349 

 Electrodialysis, 90 

 Electroendosmosis, 358 



living world, 377 



protoplasmic streaming, 384 

 Electrokinetics, 357 



methods, 359 



potential, 361, 362, 368 



theory, 363 

 Electrolytes, weak, 302 

 Electrometer, kinds of, 319 

 Electron, 397, 398, 400 

 Electrophoresis, 357 

 Electrophysiology, 332 

 Electrosmose, 358 



formula, 365 

 Electrostatics, 333 

 Electrostenolysis, 345 

 Elementary units, 400 

 Elfving, 356 

 Ellinger, 517 

 Elliott, 519 

 Elhs, 239 

 Embden, 458 



PJmbryology, chemical, 510 

 Emergent evolution, 534 

 Emulsifier, 121 



Emulsifying agents, solids, 132 

 Emulsion hypothesis of protoplasm, 



287 

 Emulsions, breaking, 133 



classification, 121 



commercial, 123 



definition, 121 



types, 121 

 Emulsoid, 239 

 Endamoebn, 19 



I 



1 



