C ^4? 3 
e&r, that two hundred of thefe Scales may he covered 
with a Sand, and that each Scale may have many 
Pores on the fides, hefides the places where it is to be 
nourifht : we may conclude the whole Skin to be but 
as one continued Pore. 
I then examined forrse of thofe Scales on the infide 
of my Hand, where the Skin was thickeft, and found 
that they differed from the other only in that they 
were thicker, and befet with many Globules and Stripes^ 
I whereas the others on the Body are clearer and where- 
as thofe on the Body fall off, and peel for want of 
nouriftxment, thofe on the infide of the Hand by rea- 
fbn of a great quantity of a clammy Matter driven 
out thro' the Skin are fattened to one another, fo as 
to make a callous Subftance. Labour and working 
likewile forcing out a greater quantity of this glutinous 
Matter. 
