Of the Wheel Animal. 285 
of the fame living Animal; fince the Wheel 
mud be a Part abfolutely didiiid and fepa- 
rate from the Axis whereon it turns ; and 
then, fay they, how can this living Wheel 
be nourifhed, as there cannot be any Veffels 
of Communication between that and the 
Part it goes round upon, and which it mull; 
be feparate and didind from ? 
To this I can only anfwer, that place the 
Objed in whatever Light or Manner you 
pleafe, when the Wheels are fully pro¬ 
truded they never fail to Ihew all the vilihle 
Maries imaginable of a regular turning- 
round, which I think no lefs difficult to ac¬ 
count for, if they do not really do fo. Nay, 
in fome Pofitions, you may with your Eye 
follow the fame Cogs or Teeth whilft they 
feem to make a complete Revolution $ for, 
the other Parts of the Infed being very 
tranfparent, they are eafily didinguifhed 
through it. As for the Machinery, I lhall 
only fay, that no true Judgment can be 
formed of the Structure and Parts of minute 
Infeds by imaginary Comparifons between 
them and larger Animals, to which the]? 
bear not the lead Similitude. However, as 
a Man can move his Arms or his Legs, cir¬ 
cularly, as long and as often as he pleafes, 
by the Articulation of a Ball and Socket, 
may not there poffibly be fome Sort of 
Articulation in this Creature whereby its 
■ Wheels 
