# Collected Physical Papers/Index

INDEX
A- & D-reactions, in plant response, 330
„„„electric concomitants of, 326, 327, 329, 330
„„„„indications of, 321
„„„, unmasking of, 330
After effect, permanence of, by over strain, 212
Air, transparency of liquid, to electric radiation, 88
Allotropic changes, effect on conductivity of, 142
„modifications, effect of visible radiation on, 141
Anaesthetics, effect of, on electric response, 315
Analyser and Polariser, book form of, 104
„„„, crystals for, 97
Anisotropic conductivity, polarising substance and, 73
Apatite, polarisation of electric ray by, 8
Arsenic receiver, effect of heat and mechanical vibration on, 159
„„„variation of resistance of, by electric radiation, 136, 148, 155
Artificial retina, 269
Assimilation. Automatic Recorder for, 333
„, effect of traces of chemicals on, 335
„, hourly variation of, 334
Balance, determination of electric excitability by, 281
Balanced Crescograph, see Crescograph.
Barytes, polarisation of electric ray by, 9
Beryl, polarisation of electric ray by, 8
Block. method of, for response of metals, 266, 278
„,„„„„„plants, 310
Book, as electric polariser and analyser, 105
„, polarisation of electric ray by, 76
Bubbler, for photosynthesis, 332
Cardiac pulsation, characteristics of, in fish, frog and tortoise, 371
„„, effects of depressants and stimulants on, 373
Cardiograph, Resonant, 370
Chemical reagents, effect of, on response of metals, 258, 273, 274, 299, 300
„„, effects of, on response of living tissues, 315, 335, 337
„„, opposite effects of small and large dose, on inorganic response, 302
Chrysotile, polarisation of electric ray by, 73, 97
Coherence, definition of, 128 „, non-discriminative character of, 163
„, two classes of, 128
„, untenability of theory of, 128, 179
​Coherer, self-recovering types of, 128, 163
„, systematic study of, 120
Comparator, Electric, 282
Conductivity hysteresis, exhibited by single and multiple contacts, 241
Conductivity Recorder, 169, 230
Conductivity variation, effect of allotropic change on, 142
„„,„„continuous radiation on, 175, 189
„„,„„cyclic variation of, E. M. F. on, 240
„„,„„external changes on, 244
„„, relation of, with intensity of radiation, 178
Continuous electric radiation, effect of, on Ag′ 203
„stimulation, effect of, on tin-cell, 202, 203
„„,„„, on Silver cell, 202
„„,„„, on Ni-cell, 202, 203
„„, reversal produced by, 204, 215
„visible radiation, effect of, on AgBr, 203
Crescograph, High Magnification, 347
„„„, Balanced form of, 351
„„„, records of growth by, 349
„, Magnetic, 357
„„, Demonstration form of, 358
Crystals. different system, for electric polarisation, 95
"Dark Cross", electro magnetic, 114
„„,„„ concentric wood for, 114
„„,„„ minerals for, 115
Decoherence, phenomenon of, 128
Desmodium gyrans, effects of, stimulants and depressants on pulsation of, 373
Dextrose and levulose, electric analogues of, 109
Double absorption and double conductivity, exhibited by chrysotile, 73; epidote, 74; nemalite, 73
Double conductivity, its relation to double absorption, 73
Double refraction of electric ray, 95
Efficiency, photosynthetic of green leaves, 336
Electric radiation, electromotive variation induced by, 183
Electric radiation and mechanical stimulation, similarity of effects of, 204
Electric radiation and visible radiation, similarity of effects of, 187
Electric rays, complete polarisation of by, book, 99; chrysotile, 98; epidote, 9; jute cell, 17; nemalite, 9; serpentine, 16
Electric rays, polarisation, of by books, 99; crystals, 8, 95; gratings, 2; human hair, 96; strained dielectric, 20; vegetable fibres, 17
Electric rays, lens for parallel beams of, 5
„„, partial reflection of, by air-film, 53
„„, partial transmission of, by air film, 53
„„, total reflection of, 44
​Electric Refraction, index of, by total reflection, 27
„Response, by method of relative depression or exaltation, 285
„„, in metals, 266
„„, universal applicability of, test of, 285
„Reversal, induction of, under sub-minimal stimulus, 203
„„, in Ag′ receiver. 180
„Touch, 127
„„, sign of, 144
„Waves, optical properties of, 87-92
Electro-molecular Explorer, 287
Electromotive variation, response by, method of, 251
„wave accompanying stimulation of metal, 277
Eectro-polariscope, 11
Energy, determination of distribution of, in solar spectrum, 362
Epidote, electric polarisation by, 75
Excitation, determination of velocity of, 369
„, Effect of temperature on velocity of transmission of, 369
Fatigue, effect of, in AgBr cell, 190
„,„„, in tin, 269
„, in metals, 268, 269
„, in plants, 312
„, in receiver, 180, 182
Fatigued substance, effect of heat and mechanical disturbance on, 157, 158
„„, effect of mechanical stimulation on, 156
„„, restoration of sensitiveness of, 156
Formaldehyde. stimulating effect of minute traces of, on assimilation, 335
Fish, frog, see cardiograph.
Galena, universal receiver, 187. 269
Galvanograph, 342
Glass, electric index of, refraction for, 41
Growth, determination of, absolute rate of, 349
„„„, by balance, 352
„„„, effect of chemical agents on, 351
„„„, effect of CO$_2$ on, 353 „„„, effect of variation of temperature on rate of, 350, 358
„effect of wireless stimulation on, 354, 356
Hydrilla Electric response of, 329
„, Photosynthetic activity of, 330
Hysteresis, of conductivity exhibited by single and multiple contacts, 241
„, under cyclic variation of stimulation, 297
Index of refraction, by method of total reflection, for electric ray, 46
„„„by method of total reflection, for light, 56
„„„for light, effect of variation or strength of solution on, 66
​Index of refraction for light, effect of temperature on, 67
„„„„„, for different rays, 68
Inductoscripts, 221
Inorganic matter, response of, by conductivity variation, 253
„„,„„, by electromotive variation, 266
Invisible image, relapse of, 212
Iron-filings-receiver, effect of heat and mechanical vibration on, 158
„„„, characteristic curve of, 233, 240
Leaf, response of, to light, by electromotive variation, 325
„,„„,„„, by resistivity variation, 319
Light, conductivity variation induced by, 189
„, continuity of effect of, and electric radiation an inorganic receiver, 163
„, effect in allotropic modification of, 141
„,„of continuous action of, 189
„,„„balanced by mechanical vibration, 206
„,„„short exposure of, on AgBr cell, 188
„, response of leaf to increasing intensity and duration of, 320
„, reversal in AgBr cell by, 190
„, electromotive variation curve due to, 213
Magnesium, radio-molecular oscillation produced in, 152
Magnetic Crescograph and Radiometer, 357, 359
Mass action, 133
Mechanical Wave, model for, 78
„Lever Recorder, 261
„stimulation, electromotive force accompanying, 277
Molecular action, 134
„arrest, effect of poison on, 303
„oscillation, 153, 154, 155
„receiver, transition of from non-recovering to self-recovering, 170
Photographic action, theories of, 209
Photo-chemical induction, 215
„„, effect of intermittence in modifying the law of, 216
„„, modification by time-rate of, 218
Photo-electric cell, vegetable form of, 323
Photosynthetic Recorder, 331 Poison, effect of, on inorganic response, 274, 301
„,„, on plant response, 315
Plane of polarisation, rotation by twisted structure of, 107
Polarisation apparatus, for electric ray, 2, 91
Potassium receiver, negative response given by, 151
Quadrant Method, response of leaf by, 317
Radiograph, self-recording, 338
„, diurnal record of light by, 344, 345
Receivers, automatic for electric radiation, 125, 161
„, galena, universal type of, 269
Recorder, Mechanical lever, 261
„, Magnetic, 263
„, Photographic, 308
„, Resonant, 364, 366, 368
„, Conductivity, 169, 230
„, Crescographic, 347
„, Crescographic Magneto, 357
„,„Balanced, 351
Refraction, electric index for glass, 41
„,„„„sulphur, 30
Response, electric, of metals, 266
„„„„, effect of increasing intensity of stimulus on, 295
„„„„, effect of variation of temperature on, 257
„„„„, effect of chemical reagents on, 274
„„„„, effect of poison on, 274
Retina, artificial, 269
Rhythmic tissue in plant and animal, 372
Selective conductivity, exhibition of, by crystals, 71
Self-recovering receiver, perfect type of, 173
„„„, negative response exhibited by, 172
„„„, effect of cyclic E. M. F. variation on, 248
Silver, characteristic curve of positive type given by, 246
„, two varieties of, 146
„, variation of current and resistance with increasing E. M. F. in, 247
Steam, effect of, in abolishing response of plant, 314
Stimuli, effect of superposition of, in living tissues, 313
„,„„„„, in metals, 201
Stimulus, opposite effects of strong and feeble, on electromagnetic receivers, 135, 181
„„„„„„„, on response of metals, 302
„„„„„„„, on response of plants, 256
„, similarity of effect of, on living and non-living, 253
„, Subminimal, effect of, 181, 203, 297
Stimulants, effect of, on inorganic response, 274, 300, 301
„„„„, on response of leaf, 321
Strain cell, effect of single stimulus on, 198
„„, effect of continuous stimulation on, 202
„„, irreversible molecular effect of torsion on, 197
Strained dielectric, polarisation of electric ray by, 19
Stratified rocks, polarisation of electric ray by, 20
Sulphur, electric index of refraction for, 30
Tetanus, in muscle, 268
„, in inorganic response, 256, 268
Thermal dawn and noon, 345
Times lag, effect of, in iron-receiver, 238, 239
Total reflection, of electric ray, influence of wave length on, 48
„„, of electric ray, influence of thickness of air-space on, 48
„„, of electric ray, influence of angle of incidence on, 44
Vision, binocular alternation of, 271
Wireless stimulation on plant, 354