Anatyfis of the Air. i y y 
affixed to it a bladder full of air, and then 
continued fucking air out of the Thorax , 
with a force fufficient to keep the lungs 
pretty much dilated. As the Mercury fub- 
fided in the gage, I repeated the fuel ion for 
a quarter of an hour, till a good part of the 
air in the bladder was either drawn thro’ 
the fubftance of the lungs into the Thorax , 
or had loft its elafticity. When I prefled 
the bladder, the Mercury fubfided the fafter j 
the Dog was all the while alive, and would 
probably have lived much longer, if the Ex- 
periment had been continued ; as is likely 
from the following Experiment, viz. 
Experiment CXIV. 
I tied a middle-fized Dog down alive on 
a table, and having laid bare his wind-pipe, 
I cut it afunder juft below the Larynx , and 
fixed faft to it the fmall end of a common 
fofiet; the other end of the fofiet had a 
large bladder tied to it, which contained 
162 cubick inches 5 and to the other end of 
the bladder was tied the great end of an- 
other fofiet, whofe orifice was covered with 
a valve, which opened inward, fo as to ad- 
mit any air that was blown into the blad- 
der, but none could return that way ; yet 
for 
