C 596 ) 
This Difeafe began upon this Lad about three years 
fince, after having had the Small Pox, which is the on- 
ly thing to which he imputes it. 
N. B, A gry is the one thoufandth part of aPhilo- 
(bphical Footj which is the third part of a Pendulum 
of Seconds ; fo that 310 gryj are tI4? of a Philofo- 
phical Poor, which is a little more than four Inches of 
our Englijh Foot. 
Monday t May 30. 1678. 
I faw again at the Charite the Boy with Horns on fiis 
Fingers; he is of Brie , and between Nineteen and 
Twenty years old. His Food was the ufual Food of 
the Country : He has been Purged twice fince he came 
into the Charite ; andfome of the Horns of his Fingers 
begin to loofen at the Root. 
Fig. I. Shows the Excrefcence or Nail of the middle 
Finger of the right hand. 
Ffg. X. That of the Forefinger of the fame hand. 
F/g. 3 and 4. Show that of ih^ annularis of the, leff 
Hand in two Pofitions. 
