*'» the 
GROTTA DEi, GaME. 
•nai 
‘Soeii there %vas not any new appearan<« : the 
'lUently ^ being placed on the ground, and conse- 
tif itj ^“'^niersed in the mephitis, rested in the direction 
5xhibUp^'^“‘®n> and, at the approach of a magnetized bar, 
Pfoportj usual effects of attraction and repulsion, in 
'^Itctrie'f^' ®'ther pole was presented. As to the latter, 
^ithie tl ’ ** impossible to make the experiments 
'Itictof 'r '’’^phitis, not because this kind of air is a con- 
'^Use't) electric fluid, as has been imagined, but 
"'ed, ji' I'urnidity by which it is constantly accompa- 
'^oller>fj.j?®‘'“es the electric matter ; and this^ not being 
'ttte, 
tie. 
tnptpj** ^ conductor, cannot be rendered sensible. He 
- . d several times to fire inflammable 
with 
etrip “everai times to lire inttammable gas, 
'u the mephitic vapour, by means of the 
^*triost electrophorus ; but, notwithstanding his 
animate the electricity> he could 
'^%dupt,'‘^"J single spark, the non-conductor becoming a 
'''lint of "tl ^ uioment it entered into the mephitis, on ac- 
whicli adhered to its surface. 
to^'i'^‘'f tl c.sperinients were directed to the 
asci 
combustion of bodies. He first endeavoured 
frn"^ "•’lielher those spontaneous inflammations which 
t*k ' "'>nld't ‘fixture of concentrated acids with essential 
hL Sroun 1 '''i'l'iu the grotto. He placed on 
Phitij - d ““ " 
mixture of concentrated acids with essential 
htained within the grotto. He p 
small vessel, in such a situation that the me- 
nches above 
the virriolic and nitrous acids : the same 
inches above its edges, emplo)'ing oil of 
w diinirnafi’ virriolic and nitrous acids : the same 
l*y " fn ely flame, followed, as 
n ^ snio), place in the open atmospheric air. Tlie 
> “I'vays accompanies these inflarama- 
l)C"*ted if attracted by the humidity of the mephitis, 
obi to the eye, and formed a very 
Pi^'* in I'"'! Pnt a considerable quantity of 
repeatedly poured in a little of the 
'ai^*' lilies j appeared in the mouth of the vessel 
''iM? ''' llie The oxygenous principle con- 
and ^ "''Ib which the nitrous acid pnn- 
«pb ^"''ation '’''I^''nbtedly contributed to the production 
'Cv® biimip,? flame, though enveloped in an atrao- 
"^pliitis of n'" district of Latera, observed tha«, 
‘ nydrogenous sulphurated or hepatic, gas. 
