414 PROTOPLASMIC ACTION AND NERVOUS ACTION 



Lipoids, presence in protoplasmic 

 films, 184 ff.; as protoplasmic 

 constituents, 58, 67, in, 1845.; 

 relation to narcosis, 83, 189 ff., 

 214; relation to permeability, 

 iiiff. 



Lipoid-alterant compounds, action 

 of, 56, 58, III, 187 ff. 



Lipoid-solubility, relation to physi- 

 ological action of compounds, 

 189 ff. 



Lithium salts, as substitutes for 

 Na-salts, 40, 154, 161 



Living matter, general characters 

 of, I ff. 



Local action, 382 



Local circuits, 236, 245, 246, 250, 

 253; in rhythmical catah^sis, 

 250; in transmission in passive 

 iron, 253 



Local currents, role in transmis- 

 sion, 386 ft\ 



Maintenance, 2, 3, 65 



Membrane potentials, 107, 306 ff. 



Membrane theory, of bioelectric 

 potentials, 302 ff. 



Membranes, artificial, 143 ff., 185; 

 electrical conductivity of, 179 



Membranes, changes during stimu- 

 lation, 207 ff., 297, 302, 337 ff.; 

 346 ff.; electrical polarization 

 of, 159, 301 ff.; permeability of, 

 109 ff., 132 ff.; plasma, 20, 21, 

 22, 56, 57, 98 ff, loi ff.,_ 109 ff., 

 159, 160, 170; stabilization 

 during narcosis, 207 ff.; struc- 

 ture, 180. See Films 



Membranes, haptogen, 105; por- 

 celaine, 137; precipitation, 136 



Mercury, catalytic action of, 247 



Metabolism, electrical factors in, 

 402, 403; formative, 7; general 

 role in living matter, 2, 3, 4, 

 25 ff., 42 ff; relation to proto- 

 plasmic structure, 51 ff., 63; 

 synthetic, relation to carbo- 

 hydrate metabolism, 54 



Microdissection, 64, 128 



Muscle, so, 55, 152 ff., 162; 

 contraction of, 378; smooth, 

 172 ff. 



Myoneural junctions, 156 



Narcosis, 189 ff.; adsorption and, 

 196, 201 ff., 233; changes in 

 protoplasmic viscosity during, 

 210; decrease of permeability 

 during, 209; oxygen-consump- 

 tion in, 195, 203 ff.; partition- 

 coefficients and, 190 ff.; temper- 

 ature and, 193 ff.; physical 

 changes in protoplasm during, 

 206 ff.; surface-activity and, 

 196 ff. 



Negative osmosis, 147, 148 



Nerv^e, 261, 270; bioelectric varia- 

 tions of, 328 ff.; changes of 

 permeability during activity, 

 357 ff.; demarcation potential 

 of, 303ff.; electrical stimulation 

 of, 267 ff.; electrotonic currents 

 of, 358; refractory period of, 

 339 ff . ; relation of salts to 

 irritabilit}^ of , 155; transmission, 



379 ff- 

 Nerve cells, rhythmical activity 

 of, 332; structural changes in 

 death, 64 



Nerve end-plates, 272, 287 



Nervous impulse, 379 ff. 



Ner\^ous system, directive factors 

 in growth of, 402; integrative 

 action of, 11; neurone theor}^ of, 



272 



Neurones, 272 



Non-electrolytes, physiological 

 effects of solutions of, 151 ff. 



Nutrition, 2, 3, 6, 12 



Organisms, general characters of, 

 I, 2, 25 ff., 49 



Organization, chemical, as depend- 

 ent on film-partitioned structure 

 of protoplasm, 22 



Oxidases, 376 



Oxidations, electrolytic, 237, 246 



