748 COMPARATIVE ELECTRO-PHYSIOLOGY 



Conductivity balance, experiments with : 



,, ,, ,, on conductivity versus receptivity under alcohol, 



495 

 ,, ,, ,, on conductivity versus receptivity under KI and 



Nal, 491-492 



,, . ,, ,, on receptivity under alcohol, 493 



,, ,, ,, ,, versus responsivity under alcohol, 



495 



,, ,, ,, on responsive variation under alcohol, 494 



,, ,, ,, on variation of conductivity under alcohol, 494 



Conductivity balance, experiments with : 



,, ,, variation of responsivity by alcohol on frog's nerve, 492 



,, ,, ,, ,, by CaCl 2 on plant nerve, 486 



,, ,, ,, ,, by CuSO, on frog's nerve, 485 



,, ,, ,, ,, by KC1 on plant nerve, 487 



,, ,, ,, ,, by Na_,CO 3 on frog's nerve, 485 



,, ,, ,, contrasted effects of NaCl and 



NaBr, 487 

 ,, ,, ,, conductivity by Na 2 CO 3 on plant ne ve, 488- 



489 

 Conductivity balance, experiments with : 



,, effect of cold on conductivity, 499 



,, ,, of electric current, 565-568 



,, ,, of excessive stimulus, 505 



,, ,, of moderate stimulus, 504 



,, ,, of warmth, 501 



Correlation, 553 

 Corrosion figures, 349 

 Crescograph, 221 



Cuturbita, electric response of plagiotropic stem of, in, 285 

 Current of death, 166 

 Current of injury : anomalous variation in, 165 



,, ,, diminution of response with diminution of, 159 



,, ,, explanation of, 156 



,, ,, its decline, 158 



,, ,, positive and negative variation of, 161 



,, ,, various theories of, 149 



Current of rest, effect of CO 2 on, 122 



,, ,, effect of fall of temperature on, 119 



,, ,, effect of NaoCOg on, 122 



,, effect of section of petiole on, 225-227 



,, ,, effect of steady rise of temperature on, 119 



,, ,, effect of sudden variation of temperature on, 120 



,, ,, in animal skin, 288 



,, ,, in Citrus, 224 



,, ,, in Diotued) 224 



,, ,, in Ficus, 224 



,, ,, in foot of snail and its variation on injury, 318 



,, in frog's eye, 418 



