INDEX 117 
Stimulus, actual, equation for, 76. 
precautions necessary in obtaining, no. 
when not essential, 80. 
Tissue resistance, apparatus for measuring, 26. 
determination of, 72. 
effect of, on strength of stimulus, 13, 73. 
importance of, 21. 
relation of to entire resistance, 71. 
Voltage of primary current, relation of to make stimuli, 97. 
Wertheim-Salomonson method of measuring induction shocks. T.'>. 
