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Aristotle - On The Parts Of Animals
Atec Февраль 16 2008 20:01:06
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These, however, are matters which by their close connexion with
eyelashes have led us to digress from our real topic, namely the cause
to which these lashes owe their existence. We must therefore defer any
further remarks we may have to make on these matters till the proper
occasion arises and then return to their consideration.
15
Both eyebrows and eyelashes exist for the protection of the eyes;
the former that they may shelter them, like the eaves of a house, from
any fluids that trickle down from the head; the latter to act like the
palisades which are sometimes placed in front of enclosures, and
keep out any objects which might otherwise get in. The brows are
placed over the junction of two bones, which is the reason that in old
age they often become so bushy as to require cutting. The lashes are
set at the terminations of small blood-vessels. For the vessels come
to an end where the skin itself terminates; and, in all places where
these endings occur, the exudation of moisture of a corporeal
character necessitates the growth of hairs, unless there be some
operation of nature which interferes, by diverting the moisture to
another purpose.
16
Viviparous quadrupeds, as a rule, present no great variety of form
in the organ of smell. In those of them, however, whose jaws project
forwards and taper to a narrow end, so as to form what is called a
snout, the nostrils are placed in this projection, there being no
other available plan; while, in the rest, there is a more definite
demarcation between nostrils and jaws
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