INDEX 749 



Current of rest, in Nepenthe, 335 



,, ,, in vegetal skin, 298 



,, ,, natural, and its variations, 317 



,, ,, phasic changes in, 302, 303 



,, ,, physiological condition determining, 117 



,, ,, positive and negative variations of, 126 



,, ,, reversal of, as after-effect of stimulus, 124 



,, ,, variation of, 1 75-177 



DARWIN on excitatory reaction in Drosera, 331 

 Dead tissue, positivity of, 170 

 Death, different post-mortem symptoms of, 192 

 Death-point, accurate methods of determining, 194 



,, determination of, by abolition or reversal of response, 195 



,, ,, by electric spasm, 202 



, , , , by inversion of curve of electric resistivity, 546 



,, ,, by thermo-mechanical inversion, 198 



Depression, response by method of relative, 9 

 Desmodium pulsation, electro-motive response of free leaflet, 218 



,, ,, ,, ,, leaflet physically restrained, 220 



,, ,, ,, ,, principal and subsidiary waves in, 



219 



,, ,, initiation of, under stimulus, 212 



,, ,, rate of, 215 



,, ,, spark record of, 214 



Dewar and McKendrick on retinal current, 415 

 Differential excitability, determination of : in eel, 285 



,, ,, ,, in Musa, 114, 284 



, } ,, ,, in plagiotropic stem, 111,285 



in pulvinus, 303 



in retina, 419 



,, ,, in variegated leaves, 286 



Differential excitation, in memory revival, 680 

 Differential response, of compound strip, 108 

 ,, of Mimosa, 108, 303 



,, ,, laws of, 109 



Digestive organ, alternating phasic reactions in, 329 

 ,, ,, current of rest in, 335, 344 



,, ,, multiple response in, 333, 341, 343, 347 

 ,, ,, response of, in Drosera, 342, 343 

 in frog, 345, 347 



in gecko, 346 

 in Nepenthe, 339-341 

 ,, ,, in tortoise, 345 



Digestive organ, response of, 



,, ,, ,, reversal of, in Drosera after tetanisation, 342 



M ,, ,, ,, in gecko after tetanisation, 346 



Dillenia indica, normal response of, 256 



,, ,, ,, reversal of, under fatigue, 327 



