( 798 ) 
1 took out this Stu(F of the Roots, and rpixt it with 
fair Rain Water, and put it thus before the Microfcope, 
to fee if there were living Animals in it, as I had ob- 
ferved before in the like ftuff, and I muft confcfs, 
that the whole Scuff feemed to be alive, md the 
Number of thefe Animals was very great, and befides 
this, fo little, that fome of them, withaThoufand Mil- 
lions of others, would not make up a great Sand Corn, 
and there fwam already fome Thoufands inaQuantity of 
Water, no bigger than a great Sand, and tlie Number 
feemed bigger than it was really, becaufe the Animals 
fwimming lo quick in the Water, did move a great ma- 
ny Particles without Life, in a manner, that many 
would have taken thefe Particles to be living Crea- 
tures. 
Farther, being on the Third of September^ at Rotter- 
dam^ and coming about Noon to a Houfe of one of my 
Kinfmen, I was treated with Enghfti Oyfters, come the 
fame Morning from 2,€alancl, of which Oyfters I open- 
ed about zf, amongft which there was one that was not 
thought Good, becaufe there was to be feen a great deal 
of Slime. For when I did hold the Oyfter thus that the 
round part of the Shell came next to me, there was the 
Breadth of the Oyfter,againft my Right Hand almoft co- 
vered with Grey Stuff, which any Man would certainly 
have thought to be Slime. But it came into my Mind 
that it was Young Oyfters, and for that Reafon I took 
a little of it between my Fingers, for to try if I could 
find what fluff it Ibould be. 
I did feel fomething that was (harp between my Fin- 
gers, but this could as well have been fine Sand, there- 
lore I would not give my Judgment about it, but laid 
a part of the thought Slime between Paper, and when 
I 
