198 RESPONSE IN THE LIVING AND NON-LIViIVG 
Response, electrical, molecular friction, effect of, on, 108, 109 
i “ 5 modification, effect of, on, 11, 48, 123, 125, 
129, 164, 187 
x Be physiological character of, in plant, 30 
Gs 4 positive and negative, 11 J 
Bs : prolongation of recovery in, by ‘poison’ in metal, 
145 
e i prolongation of recovery in, by ‘ poison’ in muscle, 
144 
s rf prolongation of recovery in, from overstrain, 106 
* < relation between, and stimulus in metal, 134, 135 
” + 7 x A in muscle, 52 
” ” * 4; in nerve, 52 
. rr ‘ in plant, 52, 53, 54 
35 > i - in real and artificial 
retin, 162 
5 ‘5 staircase effect, in metal, 122, 186 
” ” op in plant, 37, 186 
5 - stimulant, effect of, on, in metal, 141 
- 53 temperature, effect of, on. See Temperature 
55 é threshold of, 185 
7 5 to light. See Light 
A a3 uniform in metal, 102, 184 
3 oA “ in nerve, 184 
3 55 ss in plant, 36, 184 
” 5 universal applicability of, 12 
55 mechanical, 1 
< retinal. See Light 
5 simultaneous mechanical and electrical record of, 13 
Retina. See Light 
SANDERSON, Burpon-, on electrical response in sensitive plants, 14 
Spring-tapper, mechanical stimulus by, 23 
Staircase effect in metal, 122, 186 
in muscle, 122, 186 
es in plant, 37, 186 
Steiner on retinal response, 149 
Stimuli, maximum effect due to superposition of, in metal, 136 
” A rr in muscle, 36 
” ” in plant, 36 
Stimulus, advantages of vibrational, 25 
Ps and response, relation between, in metal, 134, 135 
a +5 pA in muscle, 52 
” s ne in nerve, 52 
ss an in plant, 52, 58, 54 
” a 5 in real and artificial retin, 162 
