, 187
abolition of, by 'poison,' 139, 189
anaesthetics, effect of, on, 72
by method of negative variation, 9
current of action of, 8
enhancement of, after continuous stimulation, 127
modified, 128
relation between, and stimulus, 52
reversed when stale, 11
uniform, 184

Nomenclature, anomalies of present, 9, 85

Photographic recorder, 11, 22

Plant
chamber, 64
electrical response
in,
abnormal, when stale or dying, 48, 187
abolition of, by high temperature, 32, 64
additive effect of stimulus on, 37
anaesthetics, effect of, on, 30, 73, 74, 75
by method
of block, 28
of negative variation, 18, 183
diphasic, 46
fatigue, 20, 39, 40, 41, 42, 43, 57, 185. _See also_ Fatigue
physiological character, 30
'poison,' effect of, on, 30, 32, 78, 79
relation between, and stimulus, 52, 53, 54
staircase effect, 37, 185
stimulus,
effect of single, on, 35
effect of superposition of, on, 35
temperature, effect of, on, 32, 59-69
uniform, 36, 184
radial E.M. response in, 49

Poison,
effect of, on response
in metal, 143, 189
in nerve, 139, 189
in plant, 30, 32, 78, 79, 189
'molecular arrest' in metal by, 145
prolongation of recovery by action of,
in metal, 145
in muscle, 144

Record, simultaneous mechanical and electrical, of response, 13

Recorder,
electrical, 11
mechanical, 3
photographic, 11, 22
response, 19

Response-curve,
characteristics of, 3
electrical,
abnormal,
in metal, 123, 125
in stale nerve, 11, 123
in stale or dying plant, 48, 187
in stale retina, 11, 164
converted into normal after strong or continuous stimulation
in metal, 125, 187
in nerve, 124, 187
in plant, 48
abolition of,
by high temperature in plant, 32, 64
by 'poison,'
in metal, 143, 189
in nerve, 139, 189
in plant, 30, 32, 78, 79, 189
additive effect of stimulus on,
in metal, 135
in plant, 37
anaesthetics, effect of, on,
in nerve, 72
in plant, 30, 73, 74, 75
annealing, effect of, on, in metal, 101, 138
by method of block, 28, 82, 92
by negative variation, 9, 18, 87