[ I0 3 ] 
were, their balls, and it fhould feem that 
this principle gives rife to the mufcular 
irritability. This information, which we 
owe in the firft place to Mr. Bertholet, 
and afterwards to Mr. Fourcroy, may 
perhaps explain why this fpecies of gas 
does not produce the fame effeCt upon the 
mufcles as the gafes before-mentioned. 
Will phlogifticated air be found to be 
as good an antifpetic as fixed air, or the 
acid carbonic gas? 
Experiment CIV. 
I killed two kittens in phlogifticated air, 
and prepared their fore legs, which af¬ 
forded the fame movements as in the 
natural ftate. 
Experiment CV. 
Inflammable air deftroyed the life of a 
canary bird, but did not affeCt its electri¬ 
city, although it is naturally very weak. 
H 4 Animals 
