C 341 ] 
not be afcertain d what thefe Differences are;, yet wa 
may reafonably conclude, that they are Compofed of 
Solids andFluids 5 for that the Prodadion and Nutrition 
of tbefeAnimais muft be made by Fluids; and thence alio 
that the Parts of them for Motion mjjft be fomewhat 
like thofe of Terreftrial Animals ; whether Beafts^, Fifh- 
esj Birds, or Infeds that is, they muft ha veLegs^ 
Finns, Wings, c^^. Though not exadly the fame with 
ours, fince the Fluids may be more various^ as to their 
Number, andas to their Denficy, and as to their Rari- 
faftion and Conglaciation, fome of thefe Globes being 
muchr further off; and fomewhat nearer to the Sun, and 
its powerful Rays. And fo the Fluids of 1? and ^ may 
not be fo apt to be Frozen, nor thole of 9 and 5 to be 
Rarifiedinto Vapours, neither of which would deftroy 
the Form and Ufe of Water for the Vegetation of 
Plants. 
And becaufe though we fliould allow thefe Globes 
thefe Ornaments and Furniture, yet though we fup- 
pofe them deprived of the principal Produ6iion and Ma- 
ftpr-piece of all, and for whofe Ufe and Benefit all the 
reft feetntobemide, v/€ fliouid too much Exakand 
vet- value this Globe of the Earth, and too much Deprc« 
date all the other. Therefore he thinks we mufl: fup- 
pofeihem to have Rational Animals alfo, and that thofe 
have all thofe Senfes, and other necelTary Organs for 
Reafoning that Men hive here, 2nd that they do ufe 
them, and have prociir'd thereby the fame Advantages/ 
and Improvement of that Faculty, that in the like Gaf- 
fes Men have done here upon the Earths And fince we 
find that Fiiein many Cafes is of great Ufe, ht thinks 
'thatVe mufl: fuppofe it common to all the other Globes 
alfo. But to j udge of the Magnitude, or exafl Shape of 
thofe Animated Bodies in the'other Planets, by the Mag=. - 
nitude of thofe Globes, he thinks we have no Medium 
IG 
