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Aristotle - On The Parts Of Animals
Atec Февраль 16 2008 20:01:06
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. For in
fishes they are placed close to the stomach; while in birds, if
present at all, they are lower down, near the end of the gut. Some
of the Vivipara also have processes connected with the lower part of
the gut which serve the same purpose as that stated above.
The whole tribe of fishes is of gluttonous appetite, owing to the
arrangements for the reduction of their food being very imperfect, and
much of it consequently passing through them without undergoing
concoction; and, of all, those are the most gluttonous that have a
straight intestine. For as the passage of food in such cases is rapid,
and the enjoyment derived from it in consequence but brief, it follows
of necessity that the return of appetite is also speedy.
It has already been mentioned that in animals with front teeth in
both jaws the stomach is of small size. It may be classed pretty
nearly always under one or other of two headings, namely as resembling
the stomach of the dog, or as resembling the stomach of the pig. In
the pig the stomach is larger than in the dog, and presents certain
folds of moderate size, the purpose of which is to lengthen out the
period of concoction; while the stomach of the dog is of small size,
not much larger in calibre than the gut, and smooth on the internal
surface.
Not much larger, I say, than the gut; for in all animals after the
stomach comes the gut. This, like the stomach, presents numerous
modifications
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