8o 
Hamajlaf'ia. 
Pint of Blood. But when more chan half of 
his Blood was evacuated, then the right Lobe 
did no more dilate on his ftraining. 
6, Hence there does not feem to be fo 
much danger as has been imagined in the 
Paracentejis or Incifion into the Thorax, in 
order to take away an Abfcefs, for tho' 
while the Orifice was open, this Dog breath- 
ed with Difficulty, yet the left Cavity of the 
Thorax being by means of the Mediajlinum 
ftill clofed, the left Lobe of the Lungs play'd 
too and fro to (uch a Degree, that the Dog 
breathed aiough to keep up the Circulation 
of the Blood for more than a (garter of an 
Hour, that I purpofely try’d : And the Unea- 
finefs in breathing, not increaling in fo long 
a time, it is reafonable to believe that he would 
have lived in that manner, for fome Hours. 
But if the left Cavity of the Thorax had alfo 
been open at the fame time, he would doubt- 
lefs have died foon. Now fuppofing one Ca- 
vity of a Man s Thorax to have been open'd, 
and the Operation that was thereby intend- 
ed, perform'd 5 if juft before the Incifion be 
clofed up, the Man be made to ftrain, and 
thereby ftrongly contrad all the Mufcles of 
his Abdomm^ the fallen Lobe of tho Lungs 
i will 
