INDEX 753 



Light, positive and negative after-effects under, 409, 412 

 ,, three types of direct and after-effect in plant under, 409-414 

 ,, three types of direct and after-effect in retina under, 427-429 



Lip, response of human, 321 



MAGNETIC balance, 607 



Magnetic conduction, blocking of, 614 



,, ,, effect of A- and K-tonus on, 609 



,, ,, enhancement of, by successive stimuli, 612 



,, ,, opposite effects of moderate and strong K-tonus on, 610 



,, response, additive effect in, 595 , 



,, ,, direct effect of tetanisation and transient after-effect, 623 



,, ,, effect of A- and K-tonus on excitability, 611 



,, ,, induction record, 604 



,, ,, magnetometric record of, 594 



,, ,, mechanical record of, 593 



,, ,, periodic, 594 



,, ,, uniform, 594 



Malepteriirus, electrical organ of, 242 



Mechanical and electrical response, simultaneous record of, 17, 19 

 Mechanical stimulator, rotary, 291 

 Melon, electrical response of, 315 

 Memory, an after-effect of stimulus, 677 



, , explanation of revival of, 685 



,, persistence, dependent on strength of stimulus, 677 



,, spontaneous revival of, 680 

 Memory image, negative, 684 

 Metal, abolition of response by poison, 9 

 ,, fatigue in response of, 7 

 ,, response of, 6 



Alintosa, electrical response of, 20, no, 127, 268, 326 

 .,, electrical response under light, 401 



,, hydraulic response in, 55 



,, hydro-positive and negative response of, 56, 59 



,, mechanical response under light, 400 



,, phasic changes in response of, 303 



,, reversal of response by fatigue, 326 



,, variation of motile sensibility of, 21 



,, differential response of, 108 

 Molecular model, 598 



Molecular modification, reversal of normal response due to, 7 

 Molecular response, persistent after-effect in, 597, 601, 603 

 Molecular theory of excitation, 590 

 Molecular transformation, external tests of, 620 

 Morograph, 197 



Morographic record by electro-motive response, 202 

 ,, ,, by mechanical response, 198 



,, ,, by resistivity variation, 546 



Motor transformer, 281 



3 c 



