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ILLUSTRATIONS
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figure.
page.
48.
Diagram of experimental arrangement for variation of conductivity of animal nerve
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49.
Effect of heterodromous and homodromous current in inducing variation of conductivity in nerve
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
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50.
Record of ineffectively transmitted salt-tetanus becoming effective under heterodromous current
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
129
51.
Direct and after-effect of homodromous current
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
131
52.
Effect of indirect electric stimulus on the responding leaflet of Averrhoa
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
136
53.
Staircase responses of sub-tonic specimen of Mimosa to electric shock
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
145
54.
Staircase responses of sub-tonic specimen of Mimosa to light
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
147
55.
Positive, diphasic, and negative responses of extremely sub-tonic specimen of Mimosa to successive light stimuli
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
147
56.
The compound Lever
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154
57.
The crank arrangement for oscillation
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156
58.
Photograph of the High Magnification Crescograph
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157
59.
Crescographic record of absolute rate of growth of Kysoor, and of effects of cold and warmth on stationary and moving plates
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
161
60.
Record of physical change
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
165
61.
Records of latent period and time relations of growth response
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
166
62.
Record of a single growth-pulse of Zephyranthes
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
167
63.
Records of growth-rate at different temperatures
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
175
64.
Continuous record of growth, showing temperature minimum
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178
65.
Continuous record of growth, showing temperature maximum
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
66.
The Thermo-Crescent Curve
•          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •          •
180
67.
Curve showing the relation between growth and temperature
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181
68.
Effects of H2O2, NH3, and ether on growth
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69.
Effect of CO2 on growth
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185
70.
Effect of irrigation on growth
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189