CLASSIFIED LIST OF EXPERIMENTS 737 



EFFECT OF CHEMICAL AGENTS ON EXCITABILITY 



PAGE 



61. Effect of chloroform . . . . . . . . .130 



62. Effect of chloral hydrate . . . . . . . ..131 



63. Effect of formalin . . . . . . . . . .132 



64. Effect of NaOH 134 



65. Effect of KOH 135 



66. Effect of sugar solution . . . . . . . . . 136 



67. Effect of Na.,CO 3 solution 136 



68. Effect of HC1 138 



69. Effect of moderate and strong dose of KOH ..... 139 



METHOD OF INTERFERENCE 



70. Responsive effect of variation of phase . . . . . . 144 



71. Diphasic response and its variation . . . . . 147 



72. Diametric method of recording response . . , , , . 147 



CURRENT OF INJURY AND NEGATIVE VARIATION 



73. Electrical after-effect in inorganic substances under strong stimu- 



lation . . . . . . . . . . -151 



74. Resistant galvanometric negativity in vegetable tissue under strong 



stimulation . . . . . . . . . . 152 



75. After-effect of persistent negativity due to section . . . .154 



76. Electrical distribution in plant cylinder . . . . 155 



77. Response by negative variation . . . . . . .158 



CURRENT OF DEATH AND RESPONSE BY POSITIVE VARIATION 



78. Response by abnormal positive variation . . . . . . 165 



79. Electric exploration of dying and dead tissue . . . . .169 



80. Electric exploration of tissue one end of which is killed . . . 171 



81. Response by negative and positive variations of current of injury . 174 



EFFECT OF TEMPERATURE 



82. Effect of cold in arresting autonomous pulsation in Desmodium . . 181 



83. Effect of warmth on autonomous pulsation of Desmodium . .182 



84. Effect of cold in permanent abolition of response . . . . 183 



85. Effect of cold in temporary abolition of response . 184 



86. Effect of cyclic variation of temperature on electric response . . 185 



87. Effect of rising temperature on amplitude of response . . . 186 



88. Effect of rising temperature on conductivity . . . . . 187 



89. Abolition of response by high temperature ..... 190 



90. Effect of cooling on frequency and amplitude of pulsation of Des- 



modi^^m ........... 188 



3 B 



