INDEX 



485 



197 ; at make, 176 If. ; at break, 

 185 ff. ; closing and opening excita- 

 tion, 187 ; persistent action, 185 ff. ; 

 polar excitation, 210 ff., 228 ff., ii. 

 140 ; polarisation after-effects, i. 287, 

 289 ; tetanic character of excitation, 

 197 



Constant current, on fatigued and moribund 

 striated, as compared with smooth 

 muscle, i. 182 ; on partially injured 

 muscle, 217 



on nerve, ii. 116 ff. ; closing and opening 



excitation, 116 ; direction (Pfliiger's 

 law), 134 ff. ; electrotonic phenomena, 

 140 ; after-effects, 143 ; persistent 

 action, 118 ; polar action, 138 ff., 266 ; 

 rhythmical excitation, 119 ; tetanic 

 character of excitation, 119 



on afferent nerves, ii. 195 ; on cardiac 



vagus, 121, 194 ff. ; on cooled nerve, 

 117 ; on crayfish claw, 185 ; on optic 

 nerve, 202 ff. ; on secretory nerves, 

 121, 195 ; on sensory nerves, 120, 

 197 ; on specific nerves, 194 ff. 



in pathological cases, i. 181 

 Continuity of muscle substance, i. 229 

 Contraction, alteration in optical properties 



of muscle, i. 46 ff. ; effects of tempera- 

 ture, 99 ; rhythmical, with chemical 

 excitation, 106 ; with excitation by 

 constant currents, 195 



Contraction wave, i. 144 ff., 158, 163 



Contraction without metals, i. 326 



Contracture, i. 89 * 



Core-model, ii. 299, 307 



Crayfish, muscular nerves of, ii. 36, 342 ; 

 excitability, i. 98 ; excitation with 

 constant current, 185 ff. ; inhibition 

 of muscular tonus by kathodic excita- 

 tion, 100 ; tetanus, 118 



Cross-striation of muscle, during contrac- 

 tion, i. 46 ff. ; physiological signifi- 

 cance, 39 



Current distribution, in muscle, i. 346 



in nerve, ii. 266 



in polarisable schemata, ii. 298 



in discharge of torpedo, ii. 347, 414 

 Current intensity, effect on height of 



twitch, i. 69 

 Current of rest, in electrical organ, ii. 443 



in man and other warm-blooded animals, 



i. 391 



in muscle, i. 321 ff, 345 



in nerve, ii. 227 ff. 



in optic nerve, ii. 470 



in retina, ii. 470 

 See Injury current 



Current oscillation, excitatory action on 

 muscle, i. 180, 286 ; on nerve, ii. 116 

 ff., 210 



Cutaneous sensory nerves, excitation by 

 current, ii. 207 



DEATH, local, effect on polar excitation by 

 current, i. 218 ; ii. 157 



Death of muscle, i. 90 ; effect on conduc- 

 tivity, 151 ; on excitability, 182, 343 ; 

 on muscle current, 337, 343, 351 ; on 

 current of action, 382, 388 



of nerve (degeneration), ii. 90 ; effect 



on excitability, 89 ; on nerve-current, 

 230 ; on reaction, 117 



of terminal organ, ii. 89 



Decline of excitability in moribund nerve, 

 ii. 89 



Decrement of contraction wave in muscle, 

 i. 149 ; absence in living man, 395 



Decremental action current (Hermann), V 

 i. 382 



Degeneration of medullated nerve, ii. 90 ; 

 relation to nerve current, 230 



Dehydration of nerve, ii. 165 ; by alcohol, 

 69 ; by NaCl, 167 



Demarcation current, i. 321, 352 ; ii. 227 

 ff. See Injury current 



Demarcation surface, i. 337, 352 



Derivation of animal electromotivity (du \("' 

 Bois-Reymond), ii. 418 



" Diminutional current " (du Bois-Rey- v, 

 moiid), i. 362 ff. 



Dionaea muscipula, ii. 6 ff. ; negative varia- 

 tion, 17 



Diphasic current of action, in muscle, i. 

 381 ; in nerve, ii. 262 



Direction of current, in muscle, i. 199 ; in 

 nerve, ii. 132 ff. 



Discharge of torpedo, action of curare, ii. 

 429 ; of strychnin, 423 ; after-effects, 

 437 ; direction, 416 ; distribution of 

 potential, 414 ; electrolytic action, 

 420 ; E.M.F., 464 ; method of leading- 

 off, 410 ; oscillatory character, 409 ; 

 physiological action, 407 ; sparking, 

 417 ; telephone observations, 424 ; 

 time-relations, 431 



local, ii. 421 



partial, ii. 425 



reflex, ii. 423 



spontaneous character of, ii. 424 



theory of (du Bois-Reymond), ii. 346 

 Dissimilation (and assimilation) in living 



matter, i. 83, 441 ; ii. 201, 328 

 Distilled water, action on muscle, i. 356 

 Double myograph, i. 175 

 Double refraction of muscle, i. 46 

 Doyere's expansion, i. 384 ; ii. 338 ff. 

 Duration of current, excitatory action, i. 



177; ii. 121 

 Dytiscus muscle, i. 35, 63 ; tetanus, 125 



ECHINUS, electrical excitation of muscles, 



i. 238 



Einschleichen. See Gradual entrance 

 Electric eel. See Gymnotus 



