[ 13 ° 1 
The number of partitions contained 
in a column of one inch in length of a 
torpedo, which had been preferved in 
proof fpirit, appeared to be one hundred 
and fifty. 
Strong fibres, which pafs immediately 
from one column to another, ferve to con¬ 
ned: them. Thefe columns are alfo fur- 
nifhed with very thin coats clofely united, 
and which are ftill more united by ten¬ 
dinous fibres, which pafs in an oblique 
and tranfverfe direction between the co¬ 
lumns themfelves. 
Thefe organs have likewife two thin 
membranes, or fafcite, of which the inner 
appears to be continued into the eledric 
organ by many proceffes. If we examine 
the organs with “ grofs optics,” we may 
difcover, according to Mr. Walfh, feveral 
cylinders or hexagonal prifms, the fur- 
faces of which taken together form a very 
conflderable extent. 
The gymnotus has two pair of eledrical 
organs, 
