/ ( n?7 J 
dellrous to ’learn the Caufe'ofa Thing fo unnatural, difleds it, 
and finds the T>nra meninx cover’d with '^ViHyciatis full of Scrim 
and TmallSand; whence it appear’d, that this Chamoife had the 
Vertigo or Giddinefs, feeing that fuch an Bydatis is well known 
in all Countries, tobetheCaule of it in Cows and Sheep. When 
the Cows are troubled with it in the Mps^ the Effed it often has, 
is that they turn thcmfelves about continually, making at any place 
where they hear the noife of Water, until they come to the Bank 
of that Brook or River, where negledling their Food, thevftand^ 
itock ftill, as if delighted with the 5 iound. 
Thus, Sir, I have given you fome fmall Account of that Part of 
the Author’s Obfervations, that regards Natural PhiUfophy, pro- 
perly fo call’d V all which (together with the other Part of the 
Work) is illufiratcd with about 40 Copper Plates. As to thofe 
he has on the Cuftoms and Incluftry of the People •, on the Dili- 
gence of the Grjfous in repairing the Alpine Roads -,’on fome late- 
Improvements in Agricnlture and Gardenings and the Anticjuities 
he takes occafion to mention , 1 leave them to your Perufal in his 
, own Words ^ adding only,' that to mchefeemsa Perfon of no lefs- 
Candour than Learning, and that 1 doubt nor, but making Allow- 
ance for the Interrupted Traniitions, unavoidable in' a Diary of 
fuch Variety of Subjcds, you’il find the Perufal of the remaining 
Part of the Work, agreeable. At leaft I mull acknowledge the- 
whole appear’d fo to, 
Oxford, Honoured S 1 
April 3d. 
17 ^^* Tour mo Humble Servant^ 
E.. Lhuyd. 
LONDON, ' 
Printed for Henry Clements at the HalfMo&n in^ 
Se Panh Church’ yard* M-DGC VUL. 
