The image contains the following text:
sessing the important properties of power to repel moist-
ure, and to serve as a non-conductor of heat and electricity.
Let me now show you what lies underneath the surface
naturally covered by the Beard. We have first that
ganglion or knot, the seat of the exquisitely painful affection
tic doloureux. From it you will perceive white threads of
nerves radiating to the jaws precisely in the line protected
hy the Beard. As you contemplate it, you can hardly
fail to be struck with the fact, that in shaving may some-
times originate that local paralysis which disfigures the
corners of the mouth. Next we have the nerves of the
teeth, which all know to be so affected hy changes of
temperature.
Glance now, if you please, at those glands which secrete
and elaborate the lymph which is to form part of the cir-
culating fluid, and in which scrofula often has its origin,
and some say its name. They are peculiarly liable to be
affected by cold and moisture, presenting then those well-
known unsightly swellings about the neck: they therefore
receive an extra protection, the hair usually growing much
more thickly on the parts where they are met with than
elsewhere.
There are another set of glands, the sebaceous, which
are thickly concentrated on the chin. Now shaving is the
cause that the hairs on this part are liable to a peculiar
and very irritating disease, which imparts a kind of fore-
