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Body, and was lying in the Aurelia , which was white j 
only upon the knotches of its Body, there were red 
Streaks , and when I went to touch it with a Needle, it 
(tir’d its Body very much. 
Upon the ioth of Auguft , I obferv’d that one of the 
Aurelias was ftript of its little Skin, which was exceed- 
ing thin $ fo that it was an agreeable fight as I view’d 
it thro’ the Microfcope. This Animalculum did not feem 
to have any Motion in it, and it was of a dark Co- 
lour. 
In all my Obfervations I never could perceive any 
Copulation among thole Animalcule when they were 
changed into flying Creatures : From whence I conclu- 
ded, that they were all Females, as many other Flies 
are. 
Thus then are thofe Furriers, who with great Zeal 
have maintained that the (aid Animalcula were pro- 
duced out of Fat, convinced of that Error, in which they 
have fo long perfifted ^ yet I could not convince one of 
them, till I had left with him a Glafs Tube, into which 
I had put fome of the Eggs of thofe Creatures, and till 
he had (een the little Worms come out of the Eggs, 
and daily grow bigger and bigger. 
Goedartius John Goodaan in his ad part of the Origine and Pro- 
de Jnfeft. perties of Worms, Caterpillars, &c. calls thefe Creatures, 
Num. 114. w tjj c h he defcribes in Page 368, the Furriers Plague , 
becaufe they do them no fmall mifchiefj and fays, that 
he has found of them in the Feathers of a Duck, and 
fuppofes ’em to be produced out of Fat. 
From whence it appears, that notwithftanding all the 
Pains that the faid Goodaart beftow’d in his enquiry 
after thofe Creatures, which he calls bloodlefs, he was 
got yet no further than to maintain, that there were 
Animalcula that were produced of tbemfelves. But who 
cares to take fo much Pains in the Inveftigation of the 
Nature 
