V. Microfcoplcdl Oh/ervations upon the Tongue • In 
a Letter to the Royal Society from Mr. Antho- 
ny Van Leeuwenhoek, F. 5. 
Delff in Holland^ December 6. 1707. 
A fter 1 had fatisfied, my felf concerning that 
ter which is found upon the Tongue, and which 
we call the Thrulh, 1 let my Thoughts wander a little 
further upon the Confideration of the Tongue it fdf, in 
order, if it were poflible, that I might difeover the Pores 
in the Tongue, by which that Matter is imbibed, wdiich 
is afterwards protruded out of the Tongue : wherefore T 
did, as it were, rej^d or lay afide all my former Remarks 
about the Tongue,and having taken four diftind Tongues 
of Oxen or Cows, I fet my felf to examine the Skins of 
the fame, and particularly the External -Particles, that are 
upon the thicknefs of the Tongue, and where, as I con- 
ceive, is the place that admits the Juices into the Tongue, 
by which that Senfation is produced which we call the 
Tafte. rfeparated'thofe aforefaid External Par- 
ticles as well as I cou d from thofe that lay under them, 
andobferv^d that the latter, that is to fay, the Internal 
were furni(h*d with a very great number of pointed Par- 
ticles, the tops of which, for the moft part, were broken 
I off, and remained fticking in the outmoft Skin ^ and ic 
!has often happen’d, that when I placed one of th^ife In- 
iternal Particles of the Tongue before a Microfeope, itap- 
Ipear’d to me, to be as ’twere a tranfparent Body, fomc- 
ithing larger than a Thimble, and I coud difeover in ic 
\ Iktle Internal Holes or Cavities, thro’ which a greater 
Q. 2 quantity 
