*Fo view the Pores of the Skin, 
To view the pores of the fkin. 
C UT a flice of the upper fkin with a fharp razor, 
as thin as poffible; and then immediately cut a 
fecond flice from the fame place, which apply to the 
microfcope, in a piece about the bignefs of a grain of 
fand, innumerable pores will be perceived. If a piece 
©f the fkin between the fingers, or in the palm of the 
hands, be thus prepared, and then examined, the light 
may very pleafantly be feen through the pores. 
The pores through which we perfpire, are moft re¬ 
markable in the hands and feet c ; for if the hand be 
well wafhed with foap, and examined but with an in¬ 
different glafs, in the palm, or upon the ends and hrft 
joints of the thumb and fingers, innumerable little ridges, 
parallel to each other, of equal diftance and bignefs, 
will appear; upon which the pores may be perceived 
by a very good eye, but when view’d thro’ a very good 
glafs, every pore feems like a little fountain, with fweat 
Handing therein, as clear as rock water, and if wiped 
away, it will be found immediately to fpring up again. 
Of feathers. 
T HE feathers of molt forts of birds afford a beau¬ 
tiful variety, obfervable in that incomparable cu~ 
riofity with which every feather is made; the vanes 
thereof are curioufly gaged, broad on one fide, apd nar¬ 
row on the other; both w 7 hich adminifter to the pro- 
greffive motion of the bird, as well as to the union and 
dofenefs of the wing; and no lefs exquiute is the tex-» 
D 2 trinq 
f Phil. Tranf. No. 159, 
