OH, Skin 



181 



Record of part of Experiment 9, showing transition from ingoing to outgoing 

 effects, the farmer by " Weak " the latter by " Strong " Excitation. 



FIG. 8. (4235.) 



Ecccit&Gion by 

 Berne coii, &L 

 Tet&n. for 5 sees. 



BK Time. 

 1,000 + +ah. 15 



1,000 - 



10,000 + "2/7.25 



10,000 



10,000 + 



10,000 



10,000 



IO,OOO 



10,000 



ah.35 



ah.45 - 



Response. 

 -OOOO voib in 



-0-0010 



-OOOIO 



1 + O-O004 

 \-O-OO05 



1+0-0003 

 \-0-0004 



l + O-OOOQ 



1-? 



+ 0-00/0 



m 



in 



ouG 

 in 



ouC 

 in 



out 



out 



+0-0016 " OUt 



+ 0-0022 " OUt 



0123 



Response to Direct Excitation of tlie Intact Skin. A, B, Method. 



If two electrodes, A and B, are applied to the intact skin, e.g., to the 

 external surface of two separate pads, and tetanising currents are led 

 in by these electrodes, the subsequent deflection is comparatively small 



VOL. LXIX. O 



