ILLUSTRATIONS.
Reading edition
FIGURE.PAGE.
1.Photographs of morning and evening positions of the ‘Praying Palm’7
2.The Recording Apparatus9
3.Record of diurnal movement of the ‘Praying Palm’11
4. " " " Sijbaria Palm12
5.Curve of variation of moto-excitability in Mimosa pudica17
6.Effect of physiological depression on diurnal movement of Arenga saccharifera19
7.Record of diurnal movements of young procumbent stem of Mimosa pudica26
8.Erectile response of Basella to gradual fall of temperature28
9.Responsive fall of Basella to gradual rise of temperature"
10.Response of a straight tendril of Passiflora33
11.Response of a hooked tendril of Passiflora35
12.Response of pulvinus of Mimosa pudica36
13. " " Mimosa to variations of turgor40
14.Diagram of complete apparatus for record of diurnal variation46
15.The Oscillator50
16.Effect of cloud on excitability of Mimosa52
17.Effect of sudden darkness53
18.Effect of change from darkness to light54
19.Effect of enhanced turgor55
20.Effect of moderate cooling56
21.Effect of application of intense cold58
22.Effect of temperature above the optimum58
23.Twenty-four hours’ record of excitability of Mimosa59
24.Midday record from noon to 3 P.M.62
25.Evening record from 6 to 10 P.M.63
26.Morning record from 8 A.M. to 12 noon64
27.Diurnal variation of excitability showing marked nyctitropic movement65
28.Diurnal curves of temperature and of corresponding variation of excitability of Mimosa68
29.Diurnal variation of excitability of a summer specimen70
30.The Resonant Recorder76
31.Variation of excitability after section80
32.Effect of amputation of upper half of pulvinus of Mimosa84
33.Response of Mimosa after amputation of lower half of pulvinus86
34.Effect of weight on rapidity of fall87
35.Stimulating action of Hydrogen peroxide88
36.Incomplete recovery under the action of BaCl2 and transient restoration under tetanisation89
37.Antagonistic action of alkali and acid90
38.Fatigue due to shortening of recovery-period91
39.Effect of constant current in removal of fatigue92
40.Stimulating action of light and depressing action of darkness94
41.Action of glycerine in enhancing speed and intensity of transmitted excitation in Mimosa102
42.Effect of injury in depressing conductivity in normal specimen104
43.Effect of injury in enhancing conductivity in a subtonic specimen105
44.Diagram of experimental arrangement for conductivity control in Averrhoa bilimbi109
45.Diagram of complete experimental arrangement for conductivity control in Mimosa pudica116
46.Record showing enhanced velocity in ‘up-hill’ and retarded velocity in ‘down-hill’ transmission121
47.Direct and after-effect of heterodromous and homodromous currents124
48.Diagram of experimental arrangement for variation of conductivity of animal nerve126
49.Effect of heterodromous and homodromous current in inducing variation of conductivity in nerve127
50.Record of ineffectively transmitted salt-tetanus becoming effective under heterodromous current129
51.Direct and after-effect of homodromous current131
52.Effect of indirect electric stimulus on the responding leaflet of Averrhoa136
53.Staircase responses of sub-tonic specimen of Mimosa to electric shock145
54.Staircase responses of sub-tonic specimen of Mimosa to light147
55.Positive, diphasic, and negative responses of extremely sub-tonic specimen of Mimosa to successive light stimuli147
56.The compound Lever154
57.The crank arrangement for oscillation156
58.Photograph of the High Magnification Crescograph157
59.Crescographic record of absolute rate of growth of Kysoor, and of effects of cold and warmth on stationary and moving plates161
60.Record of physical change164
61.Records of latent period and time relations of growth response165
62.Record of a single growth-pulse of Zephyranthes167
63.Records of growth-rate at different temperatures175
64.Continuous record of growth, showing temperature minimum178
65.Continuous record of growth, showing temperature maximum"
66.The Thermo-Crescent Curve180
67.Curve showing the relation between growth and temperature181
68.Effects of H2O2, NH3, and ether on growth184
69.Effect of CO2 on growth185
70.Effect of irrigation on growth189
71.Effect of plasmolysis on growth191
72.Effect of increasing intensity of electric stimulus on growth196
73.Effect of continuous electric stimulation on growth197
74.Immediate and after-effects of friction, and of wound on growth200
75.Normal retarding effect of light on growth206
76.Record showing latent period of growth in response to light207
77.Effect of light of increasing intensities208
78.Continuous effect of light and of electric stimulus on growth209
79.Effects of different rays of the spectrum on growth210
80.Photographic records of positive, diphasic and negative electric responses of petiole of Musa214
81.Record of growth variation of Crinum under Direct and Indirect stimulus216
82.Effect of electric stimulus on sub-tonic specimen of wheat seedling221
83.Acceleration of growth under sub-minimal stimulus of light224
84.Revival by stimulus of light of autonomous pulsations of Desmodium gyrans at stand still228
85.Renewal of growth in the mature style of a flower by the action of stimulus229
86.Effect of light in diminution of amplitude and reduction of diastolic limit of pulsation of Desmodium236
87.Antagonistic effect of warmth in reduction of systolic limit237
88.Contractile response of a growing bud of Crinum241
89.Response of Mimosa pulvinus to white light245
90.Response of Mimosa pulvinus to blue light246
91.Response of Mimosa pulvinus to ultra-violet rays247
92.Response of Mimosa pulvinus to thermal radiation248