( IJll ) 
I. ^ art of a Letter from Afr Anthony rxn Leu wen- 
hoek, concern'mg Worms obferVd i?t Shteps Liyers 
and ^afture Grouiuls. Dclf, Nov, 5. 170}. 
^ I'^^His fervcs to communicate to you my flender 
Obfervations concerning tbc AmMakuU that arc 
slmol? always found in Waters^ and alfo lomctimes up- 
on Land. 
In the Summer of the Year 1702. we had not Rain 
enough to cover even the loweft parts of the Meadows 
adjacent to our City 5 infomuch, that none of the Sheep 
of that year drank of the Waters that ufed to ftagnateon 
the faid Meadows, which when it happens (according to 
the opinion of our Butchers) produces a certain fort of 
Worms called Bottkns in their Livers, whereof we have 
formerly fpoken more than once. Not withftanding which, 
I was informed that fome of the Sheep of thofe PaOures 
had their Livers infefted with fuch like Worms 5 this made 
me conjedure that the above-mentioned Diftemper in the 
Livers of the Sheep muft proceed from fome other cau(c 
than their drinking the faid Waters. 
I coufed a Butcher therefore, who was Owner ot one 
of thefe Meadows Yand who had alfo informed roe that 
the Sheep which he turned into that Ground were migh- 
tily peftefd with Worms in their Livers) to cut me two 
pieces ofGreenfod from thence, to the end I might try 
whether I could find any fuch Worms in them. 
This Land he told me was fo high, that it was never 
wholly under Water in Winter time , but the Ditches 
^bout it were fo full, that they were in a manner levd 
with the Land, and fome of the lowermoft parts of the 
fame, 
