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took him out of the Receiver, where he appear d not to have 
^ fu^ifer'danyharra^ 
Experiment the 5. 
But I thought it inot unlikely 5 that there may be fbme fuch 
inequality in the ftrength or vivacity of Animalsj astofuchkind 
of Experimeots as oursj thatit might be well worth while in fe- 
veral cafes to fciteVate 6ur Tryals* And on this occafion I (hall 
here add^ that having put an OyBer into a viol full of Water 9 
before we included itih thePveceiver , that through the liquor 
the motion of the Bubbles_,exp€9^ed from the Fifh, might be the 
more pleafantly feert ti?id coofid^r d, this Oyfter prov'4 To 
ftrongj astokeep it felf tlefe fhuti and reprefs'd the Eruption 
of the Bubbies/thstinthe other did force open the (hells from 
time to time ^ and kept in its own Air as long as we had occa(iOfl 
to continue the Tryals. 
Exfiriment the' 4th. 
Moreover 2i Craw 'Piff:}^^\m v^^asthought more vigorou^,being 
fubftituted in the place of the former Craw- Fifli, though once he 
feem'd to lo(e his. motion together with the Air ^ yet afterwards 
he continued moving in the Receiver, in fpight of our pumping : 
Whether becayftftherewasfome unperceiv'd leaking 5 'that hin- 
dred a fufficient'Ekhauftiofi of the Air, or becaufe this particu- 
lar Animal was mbre ftrorig ot vivid.thap the other , we could 
nor po(itively determine, n'^^^'"^^'^*^^^^ 
OftheFh£ni)mlnaof'li^c^^ Recei- 
ver. \ ' ■ A)n(\%hm 
^^T^He following Experiment -is far from being the (irft that 
i was made'tina Scale-Fi(h in our Vacmm\ but in regard 
that the Receivers, wherein thofe tryals were made^ the Exter- 
naj Air cMd ndt'fo and fowellps in the 
• Veflel I abouttp mention V I Ju%'d' it well worth the pairrs 
toobferve/ what would happen to a Fifh in an exhaufted Vef- 
fel, where it ihouid be kept for fome hours together from all 
fupply of frefh Air. And therefore ! made feveral Tryals to that 
purpole^ wheredfthat. Which 1 think the moft coafiderable, 
was Regiftred is follows^ ; 
We took a Pveceiver (hap'd almoft like a Bolthead, containing 
by eftimation near a Pint^ and the Globulous part of it being 
almoft 
