1888-89.] Mr G. N. Stewart on Electrotonic Variation. 247 
Experiment 10 . 
Polarising 
Current. 
Extrapolar 
Stimulation 
Effect. 
Intrapolar 
Stimulation 
Effect. 
5 D 4, 
+ 180 
0 
Experiment 11 . 
Distance — d, 12 mm. 
Polarising 
Current. 
Intrapolar 
Stimulation 
Effect. 
1 D t Rh. 2000 
+ 66 
Stimulus 85. 
5 D t 2000 
0 
Even with strongest stimula- 
tion. 
5 D 4, 2000 
+ 55 
Coils close up. 
} ) 
1 D 4 2000 
+ 87 
5D| 
+ 30 
7D| 
+ 14 
5 ? 
1 D Rh. 2000 
r+851 
t +90/ 
? y 
Experiment 12 . 
Distances in Experiments 12 and 13 — a, 9 mm. ; b, 9 mm. ; c, 1| mm. ; d , 9 mm. 
Polarising Current. 
Extrapolar 
Stimulation 
Effect. 
Polarising Current. 
Extrapolar 
Stimulation 
Effect. 
1 D 4 
-26 
7 D 4 
+ 126 
2 D 4 
+ 25 
10 D 4 
+ 106 
3D| 
+ 62 
4 D 4 
+ 115 
4 D 4 
+ 135 
4 D 4 
+ 75 
5 D 4 
+ 138 
