t: 4s 4 1 
and participating of the Motions of the Syjlote 
and Diajlole of that Veflel. Neverthelefs, having 
again refumed feveral times thefe Trials, I have again 
been pcrfuaded, I faw the fame Appearances of fmall 
living Worms; which makes me (till uncertain of the 
Truth of this Particular, and unable to determine what 
. I ought to think. 
XI. We cannot enough admire nor acknowledge 
the wife Conduct of Nature, in the Multiplication 
of the Species of Animals and Vegetables; foraf- 
much as we fee, that thofe which are mod ufeful to 
us, commonly multiply, either in a greater Propor- 
tion, or may be raifed with greater Eafe. But what 
End could that VVifdom, which does nothing in vain, 
have propofed to itfelf, in granting to fuch Infers as 
thefe a Property and Prerogative, which Animals, 
far more excellent in our Judgment, feem no ways 
intitled to? It is even certain, that thefe Infefts 
naturally make ufe of this Power; and it is really 
true, that the fame Wonders I have feen operated 
in my Glafies, are alfo performed every Day in the 
Brooks where they live. I have there met with 
Worms, fome of which had yet no Heads, and others 
that only began to recover them. But, whichis more, 
I have found fome in the fame State as thofe which 
had loft both their Heads and their Tails, or which 
had been, divided into more than Two Pieces ; and 
all thefe have afterwards fully completed them- 
felves under my Eyes. Can this therefore be a 
natural way of multiplying with thefe Infers ? Is it 
nccefiary, that, in order to bring forth new Worms, 
their Body fhould be divided and broke to Pieces \ 
Or 
b'ja 
