INDEX 
ACTION current in metal, 88 
. in nerve, 8 
a5 1: in plant, 19 
After-images and their revival, 177 
After-oscillation in photo-sensitive cell, 159, 163 
Anesthetics, effect on response in nerve, 72 
ss vs Pr in plant, 30, 73, 74, 75 
Annealing, effect on response in metal, 101, 188 
Brnocuar alternation of vision, 175 
Block method, advantages of, 28, 77 
a 5 for obtaining response in metal, 82, 
” ” ” ” in plant, 28 
CHLOoRAL, effect on plant response, 75 
Chloroform, effect on nerve response, 72 
a a plant response, 74 
Compensator, 22 
Current of injury in nerve, 7 
Curves, characteristics of response, 3 
DEATH-POINT, determination of, in plants, 61, 63 
Depressants, effect on inorganic response, 142 
Depression, response by relative, 87 
Dewar on retinal current, 149 
wee variation in metal, 1138, 114, 115, 116, 188 
a a in nerve, 188 
5 + in plant, 46, 188 
Dose, effect on inorganic response, 89, 146, 189 
a os plant response, 79, 189 
ELECTRICAL recorder, 11 
Electrical response. See Response, electrical 
Electric tapper, 24 
Exaltation, response by relative, 89 
