INDEX 1 



ABDUCTOR muscle, of crayfish claw, ii. 98, 



185, 191 



Abgleiclnin.L'. .Vr Short-circuiting 

 Aliruptiu-ss of current oscillation, i. 193 



- effect on excitation of nerve, ii. 125 ff. 

 Ali.-tractiou of water, action on muscle, 



i. 4-J 1 .' 



on nerve, ii. 165 ff. 



on the skin, i. 47:?. 479 

 Aetinospliaerium, electrical excitation, i. 



299 

 Action current, in afferent nerves, ii. 257 



in cardiac muscle, i. 396 ft". ; time-rela- 



tions, 397 



in electrical organ, ii. 407 ff., 443 



in electrotonised nerve, ii. 314 



in epithelial gland cells, i. 4b'l ff. 



in mammalian heart, i. 404 



in man, i. 391 



in muscle, i. 359 ff. ; methods of investi- 



gation, 362, 399, 408, 410 ; phasic and 

 decremental, 380 ; ii. 262 ; theory, 

 388 ; time-relations, 376 ff. ; undula- 

 tory character, 384 



in nerve, ii. 242 ff. ; diphasic, 262 ; time- 



relations, 259 ; with central excitation, 

 255 ; with various stimuli, 251 

 - in non-medullated nerve, ii. 243 ; time- 

 relations, 261 

 in retina, ii. 472 ff. 



in skin and mucosa, i. 461 ff. 



in smooth muscle, i. 395 



in tortoise heart, i. 404 



telephone observations, i. 410 



tension, effect of, i. 413 



Action of nerve upon muscle, ii. 337 

 Ailillllmi I at cute, i. 117 

 Adductor muscle, of crayfish claw, ii. 98, 

 185 ff. 



of mollusca, i. 68 ; contraction, 177, 187, 



189 ; electromotive action, 345 ; 

 indirect excitation, ii. 103 ; polar ex- 

 citation, i. 233 ; secondary electro- 

 motive action, 456 ; tonus, 100 



^Esthesodic substance, ii. SO 

 After-effects of current, in electrical h'shes, 

 ii. 447 If. 



in muscle, i. 443 ff. ; alterations of ex- 



citability from, 287, 292 ; excitatory, 

 see opening excitation ; inhibitory, 

 258 ff. 



in medullated nerve, ii. 309 ff. 

 After-loading of muscle, i. 121 ff. 



After - variation, positive in. excitation of 

 frog's nerve, ii. 248 



of inolluscan nerve, ii. 244 

 Alcoholised nerve, ii. 169 



Alkalies, action on muscle, i. 104, 110, 220, 



354 ; on nerve, ii. 167, 175 

 Alteration theory (Hermann, Heriug), i. 



351, 388 ; ii. 327, 465 

 Alternative. See Voltaic 

 Ammonia, action on electrical nerves of 



malapterurus, ii. 428 



on excitability of nerve, ii. 158, 208 



on muscle, ii. 428 



on secondary excitation from muscle to 



nerve, i. 413 



Amoeba, electrical excitation, i. 305 

 Anabolic and katabolic nerves (Gaskell), 



i. 433 

 Anaesthetics, action on central organs, ii. 



75 

 -5- on muscle, i. 358, 450 ; antagonist 



laryugeal muscles, ii. 98 



on nerve, ii. 61, 75. 294 

 Auelectrotonus. See Electrotouus 

 Anode, definition, i. 210 ; inhibitory action, 



i. 236, 257, 264 ; ii. 139, 140 ; physio- 

 logical, i. 212 ; relation to opening ex- 

 citation, 216 ; ii. 138 



Anodic closing excitation, apparent, i. 236, 



270 ; of protozoa, 305 

 - "closure twitch" (pathological), ii. 155 



excitability, i. 289 



excitation, unipolar, i. 237 ff. 



polarisation, in muscle, i. 445 ; in nerve, 



ii. 310 



The translator is responsible for the subdivision of chapters, and enlargement of index, 



in this volume. 



