A STUDY OF FEVEfi. 19 



Experiment 4. 



An adult rabbit. Prepared as in previous experiments, ex- 

 cept crural nerve used. 



Miuiites. Temp. 



103^0 



2 103^ Current applied to nerve. 



2^ 103| Violent struggles and cries ; current broken. 



4 103^ 



10 102| Rabbit quiet. 



12 102i 



14 102| 



15 102 

 17 101^ 



21^ 101^ Anrestliesia has been induced and the opposite crural 

 nerve exposed, and used through rest of experiment. 

 22 101^ Current applied. 

 22^ lOlJ- Current broken. 

 23^ 101 1 Rabbit squealing and struggling. 



25 lOlf Current applied, giving rise to violent struggles and 



cries. 



26 101| Current broken. 



27 101 I 

 29 101^ 

 32 101^ 

 35 100| 

 40 lOOi 



■47 09| 

 49 99i Rabbit killed. 



An examination of these records will show that rarely did 

 the temperature fall whilst the current was being applied, and 

 that in several cases there was even a perceptible rise amount- 

 ing from an eighth to a half of a degree. This rise I believe to 

 be due to the rise of blood pressure and to the violent muscular 

 exertion which the pain caused. It certainl}^ occurred at the 



