( ) 
: ' Moreover, I took a fmall devouring Wofm from a 
greater that lay dead by it, and from wiience ic took its 
nourifhment, and put ic upon a living Worm, immedi- 
ately it faftened its Snout in the faid living Worm, 
which at the fame timeufed all its might, with bending, 
ftretching, contrafting and winding its Body to free it« 
felf from its troublefome gueft, but in vain, the other 
keeping his hold. This devouring Worm, as I call it, 
when it is arrived at his full growth, is exadiy as Fig.6. 
reprefents it 5 I placed fuch a Worm^after its change in- 
to a Tonneken before the Microfcope, and gave it the 
Painter to defign. 
Fig. 7. A B C D E F reprefents a Tonmk^n^ which 
the evening betore had been a Worm, and which had 
call a very thin skin, and as the body of the Vv'orm con» 
fifted of fo many Rings or Circles, fo likewife did the 
In this Creature I did not only obferve the Feet, but 
even the Joynts thereof. C G and D G (hevvs its two 
horns, and tho they wereinciofed in a thin Membrane, 
yet I could clearly fee all the Joynts df them, and they 
were loofe from the Body, excepting only at the Head. 
This VVoriiij before and after its change into a Tonne- 
ken^ is very white, and tome days after the Eyes ap- 
pear full ot many fights, and of a brovvnifh colour. I 
have often endeavoured to v;atch the change of thefe 
Worms, but it is fo fudden, I could never do it. 
I formerly acquainted you that the Mites in Cheefe 
turned into r<?;/;^e^e///, and from thence into Flies. I 
can^t omit adding, that when the Mites were turned 
ifito Tonnekens^ the lame lay inclofed in a thin tranfpa» 
rent Membrane. 
Now this Skin that covers the Tonmken^ is a great 
defence for the Worm within it, which being not able 
to fhut itfclf up into a web, as many other Creatures do^ 
before 
