Analy/is of the Mr. 253 
ther fecurity, that paflage was alfo flopped 
“with a fpiggot. 
As foon as the firft foflet was tyed faft to 
the windpipe^ the bladder was blown full of 
air thro* the other foflet 5 when the Dog had 
breathed the air in the bladder to and fro 
for a minute or two, he then breathed very 
faft, and fhewed great uneafinefs, as being 
almoft fuflfocated. 
Then with my hand I preflTed the blad- 
der hard, fo as to drive the air into his lungs 
with fome force; and thereby make his 
\tomen rife by the preflfure of the Diaphragm^ 
^s in natural breathings : Then taking alter- 
^natcly my hand off the bladder, the lungs 
with the Abdomen fubfided ; I continued in 
this manner, to make the Dog breathe for 
an hour ; during which time I was ob- 
liged to blow frelh air into the bladder every 
five minutes, three parts in four of that air 
being either abforbed by the vapours of the 
lungs, or efcaping thro* the ligatures, upon 
my prelling hard on the bladder. 
During this hour, the Dog was frequently 
near expiring whenever I preflTed the air 
but weakly into his lungs 5 as I found by 
his pulfe, which was very plain to be felt 
in 
