[ 44 1 
/ 
gold, bifmuth, antimony, or zinc, very 
fliarp movements were induced, which 
put the animal in a Hate to experience 
flight convulfions, when the two different 
leads were re-applied. When the electri¬ 
cal power of the animal was ffill nearer 
being exhaufted, different metals excited 
convulfions, but coatings of glaziers and 
aflay lead were incapable of commanding 
them. 
The eledtrical aCtion has been found to 
difappear in the following order; glaziers 
lead being conftantly ufed for one of the 
coatings. 
iff, Aflay lead has ceafed to induce 
movement. 
2d, Tin, 
3d Antimony, 
4th, Zinc, 
5th, Copper, 
6th, Gold, 
yth, Silver. 
A fimi- 
