(^14) 
Owhers were very apt to ftumble m the day-time, if it were bright 
and Sun-fhine, but trave Vd very vt:ell and fecurely in the even- 
ing and in dark cloudy Weather. 
VVhzt the caufe may be of that fungous Excreffence, or why 
Horfes are peculiarly obnoxious to it ^ or what kind of Horfes 
moft, I have not confidcred. But, I cannot think, it comes 
from ftraining in great draughts , and raceS;,or from hard travel^ 
becaufelhave feen very large ( as I may call them ) in 
young Horfes eyes of 2 and 4 years old, before they were back- 
ed? which, after they have been ta^en up from graffe, and kept 
with dry meat, have very much abated, and afterwards being 
turn'd to graffe in the Spring to cleanfc and cool their bodies , 
have increafed again to the wonted bignefs. But whether it were 
from their moift feeding , or holding down their heads to eat 
( whereby there might be a greater defluxe of humors to that 
part ) I cannot determine. But for as much as there arc few 
Horfes quite free from this evil, and many rendred very inconfi- 
derable by it;, I will recount the moft remarkable Cafes, which 
make Horfes moft ufelefs and fufpeded 5 
1. The more and greater thofe Excrefcences are , the more 
xh^fupll oi the Eye or the Sight is in danger of being quite 
obftru6i:€d5 which you fnay farther examine by turning the 
Horfes Eye to the light, and obferving, how much of the 
fupill they doe obftru^. 
2. T^ht^t Sfunges on the upper edge of thtUvea are apt to 
grow the largeft, and hinder the Sight moft. 
j.That which grows on the middle of ihtUveay does more hin- 
der the fight by diftrading the Objeft^ than thatj which grows ia 
either Corner or angle of it. 
As for the Cwe^ I fuppofe there can be none exfpefled^^ but 
from a drying kind of dyet; though perhaps outwardly fomc* 
thing may be devifed to'fhadow the Eyes^ and keep them from, 
being nakedly expofed to the Sun, whereby the />»^/7/ will not be- 
fo clofely contraded, and confequently theSight not fo much 
obftru(JI:cd^ 
