132 Mr . Kir WAN's Experiments 
of hepatic air. In lefs than a minute, without any agitation, 
the tides of the glafs were covered with a whitifh fcum, which 
feemed moift, and a diminution took place of more than one 
meafure. In four hours after, I introduced a fecond meafure of 
hepatic air, which was followed by a fimilar diminution and 
depofit. The next day I added three more meafures of this laft, 
at the interval of four hours between each ; and ftill finding a 
confiderable diminution after each, I the following day added 
another meafure ; the diminution produced by this laft ap- 
peared to me not to exceed one meafure. I then poured off the 
refiduary air into another jar, and found it not to exceed three 
meafures ; fo that here eleven meafures, namely, five of vi- 
triolic and fix of hepatic air, were reduced to three. Into one 
meafure of this refiduary air I introduced a lighted candle : it 
was immediately quenched. To the two remaining meafures 
I added one meafure of water : by agitation it took up four- 
tenths of its bulk. To part of the remainder I added nitrous 
air, which had no effedt upon it. Another part of it extin- 
guifhed a candle. It had not a vitriolic fmell. 
The water which had taken up four-tenths of its bulk of 
this air did not precipitate lime ; nor did it affedt acetous baro- 
felenite in lefs than a quarter of ail hour, and then produced a 
very flight cloud. It fenfibly reddened litmus, and precipitated 
the folution of filver white; and hence it appears to have taken 
up a very minute portion of vitriolic acid. And what was not 
taken up by water feems to have been mere phlogiflicated air. 
I afterwards wafhed the fulphur, which coated the jar, with 
diftilied water. This water fiightly reddened litmus, precipi- 
tated not only the acetous, but alfo marine baro-felenite co- 
piaufiy, as well as marine and nitrous felenite ; alfo the nitrous 
folutions of filver, lead, and mercury, all white. It even 
2 precipitated 
