MrcROGRAPHIA. 
2. That that part which wastiext the top, was bigger then that which 
was neerer the root. : | 
3. That they were all along from end to end tranfparent, though not 
very cleer, the end next the root appearing likea black tran{parent piece 
of Horn, the end next the top more brown, fomewhat like tran{parent 
Horn. | | 
157 
4. That the root of the Hairs were press fmooth, tapering inwards, - 
t 
almoft like a Parfnebs nor could I find that it had any filaments, or any 
other veflels, fuch as the fbres of Plants, Ze | 
5. That the se when fplit (which is common in long Hair) appear'd 
like the end of a ftick, beaten till it be all flicter’d, there being not onely: — 
two {plinters, but fometimes half a fcore and more. 9 
6. That they were all, as farr as I wasable to find, folid Cylindrical 
bodies, not pervious, like a Cane or Bulrufh; nor could I find that the 
had any Pith, or diftin¢tion of Rind, or the like, fuch as Thad obferv'd in 
Horfe-hairs, the Briftles of a Cat, the Indian Deer's Hair, &c: a 
Obfervations on feveral other forts of Hair. 
For the Brifles of a Hogg, I found them to be firft a hard trahfparent 
horny fubftance, without the leaft appearance of pores or holes init 5 and: 
this I try'd with the greateft care I was able, cutting many of them witha 
very fharp Razor, fo that they appear'd, even in the Glafs, tohave a pret= 
ey hana furface, but fomewhat waved by the fawing to and froof the 
Razor, as is vifible in the end of the Prifmatical body A ofthe fame — 
Figure ; and then making trials with caufing the light to be caft on them 
all the various ways I could think of, ‘that was likely to make the pores 
appear, if there had beenany, I was not able to difcover any- 9a 
Next, the Figure of the Brifles was very various, neither perfectly 
round, nor fharp edg'd, but PrifasaFical, with divers fides, and round 
angles, as appears in the Figure A.. The bending of thesia ae 
where they before copead cleer; would all flaw them, and make the 
The Muftacheos ofa Cat (part of one of which 1s reprefented by the 
thort Cylinder B of the {ame Figure) {eem’d to have, all of them that I ob+ _ 
ferv'd,a large pith in the middle, like the pith of an Elder, whofe texture 
= foclofe, that I was not able to difcover the ieett fign of pores 3 = 
fe parts which feem to be pores,as they appear d in one pofition to 
light, in another I could find a manifeft reflectiom to be caft from them. - 
This] inftance in,to hint that it is not fafe to conclude any thing to be 
pofitively this or that, though it appear never fo plain and likely whes 
rage: on with a Aficrofcope in one pofture, before the fame be examin 
Y placing it in feveral other pofition. FSU0!': oie 
And this I take to be the reafon why many have believed and afferted 
the Hairs ofa man’s head to be hollow, and like fo thany {mall pipes per- 
a eee “may fappofe them fo 
e . ) ; Ail t may > 
ow, though I grant that by an. Analogie one nd a 
