HAIR. 
~ sitesi sh cae ermal form and the colour of hairs it may, therefore, itill be queftioned whether as bec of 
‘belongs to the natural hilt his ee hair are fupplied by ee ves in the fame manner. 
DAMA tent hairs: whatever wks ye their fiure, agree in cer he third or internal inveftment of the bulb. en ie 
tain circamftances. They Ae all iaatete d of a Cibtner immediate fheath to the root of the whifker ; it is thin and 
‘ branous, and is clofely conneéted to the fpon rtion 
of a horny nature ; they grow upon vafcular pulps, which, ™¢™ , y pongy po 
with the Eeher vont that furroun em, are. ‘nltiled as of the » to-which : it i thaws perhaps, be confidered as 
a 08 or ssa aceite that are fituated within 22 Internal tunic ; their ranes feem to he continuous. 
the ficin. All the parts compoting the bulb are perforated at each 
end, to give paffage to the fhaft 
yep on 8. 3 at the externa 
of the hair, and. at the ineeooes to Deities the pulp, which 
ai te we ie cavity of the hair. 
The b of hogs’ briftles we very large and irregularly 
fhaped me a root, and appear to be ieee m Dex 
uct 
ure. 
Duverney ftates that the pulp arifes from the bottom of 
fale tery or adk f . the external en velope of the bulb, but it appears to us to 
oat welsyea ay she aaperane: iA the ub-cuta- furnifhed by the ihe ieee Oe lg in the fame 
ulb comes init with it. he bulbs are 
ie ne proportion bs.the eae is young. The pulp on "The sala of whifkers is a ery ee ongate ted.cone, with a 
the hair is formed paffes through. the botany of the ‘{pherical enlargement at its bafe. Its pointed extremity 
le, in order to enter the tube the hair, into which ' 
it penetrates for a fhort diftance, one in common hairs, 
reaching as far as the external furface o 
Sih ime id mode fe i te of ge hairs, 
clofe to the fkin, the pulp being wounded, the whifker be- 
comes deformed in its growth, produci cing a a knob or bulb at 
its extremity 
he Biber of the pulp is evidently fpengy. Duvern: 
has defcribed it as being compofed of very fine oatanins 
cells or valves, which permit the blood to afcend in it, but 
not defcend. The pulp is fupplied by one artery, that 
divides into innumerable branches, which, when injected, 
p 
fe 
ay the ak eye. A all thefe le, the balb i in 
Ww 
cularity the fpongy envelope of the bulb, although the 
latter is defcribed by Duverney as poverty 1 numerous blood- 
vellels, aoe fend off millions of branche 
ce of the pulp i is to fecrete i matter of which 
the hair’ is i caiaphied: 
‘The hair is originally contained within the bales fie . 
ase Ba B 0 elephant there are many hairs which do not 
f the fkin. When the hairs make their appear- 
ee ee sticle, which 
n immenfe number. of mem- 
numerous veffels that are dif- 
# e of it there is a ee easton snes 
ay" a eee fibrous mafs, ee pee of ; 
ms a2 fucceeding portion is compofed of thin cir- 
cals, b deGhion by folds of the membrane arranged i in 
2 os Sei étion. 
ve fpongy portion of ee « bulb § is only united to the ex- 
lope at. the tw 
