CONTENTS xi 



CHAPTEE VIII 



PLANT RESPONSE ON THE INFLUENCE OF TEMPERATURE 



PAGE 



Effect of very low temperature Influence of high temperature 

 Determination of death-point Increased response as after-effect 

 of temperature variation Death of plant and abolition of response 

 bv the action of steam . 59 



CHAPTEK IX 



PLANT RESPONSE EFFECT OF ANESTHETICS AND POISONS 



Effect of anaesthetics, a test of vital character of response Effect of 

 chloroform Effect of chloral Effect of formalin Method in 

 which response is unaffected by variation of resistance Advantage 

 of block method Effect of dose . 7 1 



CHAPTEE X 



RESPONSE IN METALS 



Is response found in inorganic substances? Experiment on tin, block 

 method Anomalies of existing terminology Response by method 

 of depression Response by method of exaltation .... 81 



CHAPTEE XI 



INORGANIC RESPONSE MODIFIED APPARATUS TO EXHIBIT 

 RESPONSE IN METALS 



Conditions of obtaining quantitative measurements Modification 

 of the block method Vibration cell Application of stimulus 

 Graduation of the intensity of stimulus Considerations showing 

 that electric response is due to molecular disturbance Test experi- 

 ment Molecular voltaic cell .... 91 



