1904 



of the Gall Bladder of the Frog. 



425 



Gall Bladder. Experiment of March 3, 1904. 

 Excitation by Single Break Induction Shocks from Berne Coil. 



Strength of excitation. Kesponse. 

 Coil at 1000 - gave + 0-0012 volt. Gall bladder had a piece of liver 



Coil at. 



Gall Bladder (March 5, 1904). 

 Besponse. 



S.s. 1000+ = -0-0008 



- = + off 



^ _ = +0-0100 



_ = +0-0110 



+ = -0-0020 



Electrodes. 

 N.C.+ 0-0006. 



10000 - 



>i + 



+ 0-0002 

 - 0-0001 



I 2 



