INDEX 



Acid and alkali, antagonistic action of, on cardiac pulsation, 339 



„ ,, ,, ,, ,, ,, ,, pulsation of Desmodium, 340 



Additive effect, 54 



,, ,, quantitative relation of, 55 

 Age, effect of, on polar excitation, 267 

 Alcohol, effect of, on Mimosa response, 91 



„ ,, ,, ,, Desmodium pulsation, 333 

 ' All-or-none ' principle, in response of Biophytum, 281 



,, u ,, ,. ,, )) cardiac tissue, 282 



Ammonia, effect of, on Mimosa response, 94 

 Anaesthetics, action of, on conductivity, 154 



,, ,, ,, ,, response of Mimosa, 92 



,, ,, ,, ,, rhythmic response, 336 



Anode and kathode, contrasted effects of, 234 

 Anode, break effect of, on Desmodium pulsation, 237 



,, excitatory effect of break on plant-tissue, 221, 224, 226, 228, 229, 



231 

 ,, make effect of, on Desmodium pulsation, 236 

 Apex time, determination of, in Mimosa, 37 



,, ,, ,, ,, Desmodium, 309 



Ascending and descending currents, time difference in the actions of, 204 



,, ,, ,, electrotonic effects of, 165, 239 



Ascending and descending induction shock, time difference in the 



actions of, 206 

 Automatic exciter, 66 



Automatic response, continuity with multiple, 288 

 ,, ,, due to storage of energy, 287 



„ ,, cessation of, by depletion of energy, 312 



see also Desmodium pulsation 

 Autonomous response, see Automatic response 

 Averrhoa bilimbi, polar action of current on, 228 

 Averrhoa carambola, multiple response in, 286 



,, ,, polar action of current in, 226, 262 



,, ,, velocity of transmission of excitation in, 151 



Biophytum sensitivum, arrest of excitatory impulse in, by poison, 169 

 ,, ,, comparative sensitiveness of animal and, 249 



„ ,, direction of preferential conduction in, 152 



,, ,, dual impulse in, 181 



369 



2 B 



