( 6 4 7 } 
other Perfons, as well fuch as drank Wine and fmoaked 
Tobacco, as of fuch as did neither,but not in their Spittle, 
in which I found no Animalcules. I found the fame after 
I had walhed my Teeth very well with Vinegar, tho 
the Vinegar kill'd them when they were put into it. A- 
mongft the reft I faw fome tranfparent Particles twenty 
five times bigger than a Blood-globule, which had they 
not funk down in the Liquor I ftiould have taken for 
Particles of Fat, 
I examined the fuppofed Worms taken out of the Skin of 
the Nofe and other parts of the Face,but found them only 
foft brittle Particles of Fat : and perceiving on my No(e 
ftveral (mall black Specks, I fqueezed out fome, and 
found them to be only a bundle of Hairs, and in one of 
thefe I told thirty fix fmall Hairs befides the Matter that 
ftuck about them. Fig. A B C D E 7 reprefents one 
of thefe Hair bundles, as it fhew'd in the Microfcope, 
ABC was that dark part which lookt like a black 
Speck in the Skin every where elfe they were trans- 
parent. E D is the Roots of the Hairs, fome longer >. 
fome fhorter ; theie Hairs are eafily rubb'd off the Skin, 
the Nourifliment thereof being not fufficieht to main- 
tain them any long time, or give them growth. 
In a Letter to Mr. Oldenburg, in the Year 9 1674. 'I 
mentioned that ! could not otherwife perceive, but that 
the Scarf-infenfible-skki confided of irnall round Scales 
and declared my Senfe of the Skins fabriek thus, That 
continually as it was worn away on the outfide, it was 
fuppliedfrom beneath, and in feveral Obfervations fince 
I have found nothing new ; for viewing them always by 
a common Microfcope they ihewed as at H y Fig.d, which 
Scales I. judged of that Minuteneft, 'that a Sand might 
cover two hundred or more of them ; but viewing them 
with a better Microfcope I find they are not formed by 
the 
