I ■ 



2J1 



dnalyfis of the Air. 









* 



with a force fufficient to keep the lune S # 

 pretty much dilated. As the Mercury fub- 

 iided m the gage, I repeated the fuclion for 

 a quarter of an hour, till a good part of the J* 

 air in the bladder was either drawn thrrfj* 

 the fubftance of the lungs into the Thorax, 

 or had loft its elafticity. When I preffed the 

 bladder, the Mercury fubfided the fafter 5 the 

 Dog was all the while alive, and would " " 

 probably have lived much longer, if the „ 

 Experiment had been continued; as is likely*** 

 from the following Experiment, viz. ** 



rffcn 





Experiment CXIV. 



I tyed a middle fized Dog down alive on 

 a table, and having layed bare his windpipe,^ 10 

 I cut it afunder juft below the Larynx, and 

 fixed faft to it the fmali end of a common 

 folic 1 3 the other end of the foflet had a* dr 

 large bladder tycd to it, which contained -::.. 

 162 cubick inches i and to the other end of («>■ 

 the bladder was tyed the great end of ano-i^ 

 ther foflet, whofe orifice was covered with ._ 

 a valve, which opened inward, fo as to ad- ^ % 

 mit any air that was blown into the bladder, 



but none could return that way; yet for fur- 

 ther 



ll 



-* - 



