574 



PROTOPLASM 



Locke solution, 71 

 Loeb, J., adsorption, 490 



antagonism, 442 



lyotropic series, 446 



mechanism, 533 



membrane potential, 351 



parthenogenesis, 198 



protein salts, 490 

 Loeb, L., tissue culture, 67 



X rays, 409 

 Lowry, 301 

 Luciferase, 413 

 Luciferin, 413 



Lucke, turgor animal cells, 196, 265 

 Lucretius, 223 

 Ludford, 25 

 Ludlum, 223 

 Ludwig, 66 

 Luminescence, 413 

 Lund, plant potentials, 257, 356 

 Lundegaard, 458 

 Lundegardh, 427 

 Lymph, 70 



Lyophilic colloids, 116 

 Lyophobic colloids, 116 

 Lyotropic series, 445 



M 



McBain, elasticity, 34 



particles as ions, 371 



phase reversal in gels, 240 

 Macallum, 167, 168 

 McClung, 24 

 McCollum, magnesium, 431 



manganese, 435, 440 



potassium and mitosis, 415 



rickets, 515 



vitamin D, 465 



vitamins, 514 



xerophthalmia, 514 

 MacDonald, 326 

 MacDougal, D. T., 45 



cell models, 284 

 McHargue, boron, 434 



essential elements, 427 



manganese, 435, 440 

 Macht, 406 



MacMunn, 518 

 McMurtrey, 429 

 Macronucleus, 63 

 Macrophages, 77, 79 

 Magnesium, 431 

 Magnetism, 332 

 Maltose, 455 

 Manganese, 435 

 Mangold, 510 

 Manoiloff, 504 

 Manor, 409 



Marinesco, ascent of sap, 333, 378- 

 379 



electroendosmosis, 378 



permeability, 287 

 Mark, cellulose structure, 252, 253 

 Marquart, 517 

 Marrack, 502 

 Mason, 104 



Mast, Brownian movement and 

 viscosity, 214 



inorganic diet, 438 



living versus non-living, 10 



Salt requirement of Amoeba, 449 



Structure of Amoeba, 35-36 



surface tension and amoeboid 

 movement, 165 

 Materialism, 534 

 Maxwell frame, 160 

 Mechanism, 532, 534 

 Membranes, 275. 277, 291 



artificial, 185 



cell, 12, 184, 275 



cell inclusions, 277, 278 



control, 288 



emulsion, 128, 130 



equilibrium, 287-289 

 Membrane, Gibbs' principle, 275 



milk globules, 374 



nuclear, 61 



osmotic, 183 



potentials, 348 



protoplasmic, 275, 277, 291 

 adsorption hypothesis, 287 

 chemical constitution of, 279 

 electrical hypothesis, 284 

 emulsion hypothesis, 287 

 physical properties of, 276 



