(2014) 
i,It was a good while after we had left pumping, ere rfie Viper 
fcegan to fwtll fo much as to be forced to gape, which afterwards 
(he did. 
2* That (hecontinuedj by our eftimate , above 3f hours in 
the exhaufted Receiver without giving clear proof of her being 
killed. 
5. That after (he was once fo fwelled, as to be compelled to 
open herjawsj fhe appeared flender and lank again, and yet very 
foon after appeared fwelled again, and had her jaws disjoined as 
before^ Expert me fit the 2. 
We took a Viper, and including her in the greateft fort of fmall 
Receivers, we emptied the glafs very carefully ^ -and the Viper 
moved up and down within , as if it were Ui feek for Air , and 
after a while foamed a little at the mouth , and left of that 
foam (ticking to the infide of the glafle : Her body fwelled n t 
confiderably, and her neck lefle, till a pretty while after we had 
left pumping 5 but afterwards the body and neck grew prodigi- 
oufly tumid, and a blifter appeared upon the bacL An hour and 
an half after the Exhauftion of the Receiver (which we then 
by tryal found to be pretty ftaunch) the diftended Viper did 
give by motion manifeft figns of lifey but we obferved none 
aftervi/ards. The Tumor reached to the neck , but did not feem 
much tofwellthe Ufldcr-chap, Boih the neck and a great pait 
of the throat, being held betwixt the eye and the candle , were 
tranfparent enough, where the fcales did not darken them* The 
jaws remaitied mightily opened , and fomewhat diftorted ^ the 
Epig-ottis with the rimnla Lar^ ngis (which remained gaping) was 
protruded almofl: to the further end of the nether-chap. As it 
were from beneath this Epiglottis came the black tongue,and rea- 
ched beyond it, but feemed by its f cfture not to have any life , 
and the mouth alfo was grown blackifh within : but the Air be- 
ing readmitted after 23 hours in all, the Viper's mouth was pre- 
fently clofed, though foon after it was opened again, aud conti- 
nued long fo 5 and fcorching or pinching the tail made a motion 
in the whole body, that argued fome life. 
Experiment ike 5. 
dprtlzS' To thefe Experiments upon Vipers, I fliall add one, 
made upon an ordinary harmlefs Snake, 
We included fuch an Animal, together with a Gage^\n a pretty 
portable Reeeiverj which^ being exhaufted and well fecured a- 
gainft 
