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weight of the body. Of the membranes those are the stoutest and strongest
which invest the heart and the brain; as is but consistent with reason. For
these are the parts which require most protection, seeing that they are the
main governing powers of life, and that it is to governing powers that guard is
due.
12
Some animals have all the viscera that have been enumerated; others have
only some of them. In what kind of animals this latter is the case, and what is
the explanation, has already been stated. Moreover, the self-same viscera
present differences in different possessors. For the heart is not precisely alike
in all animals that have one; nor, in fact, is any viscus whatsoever. Thus the
liver is in some animals split into several parts, while in others it is
comparatively undivided. Such differences in its form present themselves
even among those sanguineous animals that are viviparous, but are more
marked in fishes and in the oviparous quadrupeds, and this whether we
compare them with each other or with the Vivipara. As for birds, their liver
very nearly resembles that of the Vivipara; for in them, as in these, it is of a
pure and blood-like colour. The reason of this is that the body in both these
classes of animals admits of the freest exhalation, so that the amount of foul
residual matter within is but small. Hence it is that some of the Vivipara are
without any gall-bladder at all. For the liver takes a large share in maintaining
the purity of composition and the healthiness of the body. For these are
conditions that depend finally and in the main upon the blood, and there is
more blood in the liver than in any of the other viscera, the heart only
excepted. On the other hand, the liver of oviparous quadrupeds and fishes
inclines, as a rule, to a yellow hue, and there are even some of them in which
it is entirely of this bad colour, in accordance with the bad composition of
their bodies generally. Such, for instance, is the case in the toad, the tortoise,
and other similar animals.
The spleen, again, varies in different animals. For in those that have horns
and cloven hoofs, such as the goat, the sheep, and the like, it is of a rounded
form; excepting when increased size has caused some part of it to extend its
growth longitudinally, as has happened in the case of the ox. On the other
hand, it is elongated in all polydactylous animals. Such, for instance, is the
case in the pig, in man, and in the dog. While in animals with solid hoofs it is
of a form intermediate to these two, being broad in one part, narrow in
another. Such, for example, is its shape in the horse, the mule, and the ass.
13
1305
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book The Complete Aristotle"
The Complete Aristotle
- Title
- The Complete Aristotle
- Author
- Aristotle
- Date
- ~322 B.C.
- Language
- English
- License
- PD
- Size
- 21.0 x 29.7 cm
- Pages
- 2328
- Keywords
- Philosophy, Antique, Philosophie, Antike, Dialogues, Metaphysik, Metaphysics, Ideologie, Ideology, Englisch
- Categories
- Geisteswissenschaften
- International
Table of contents
- Part 1; Logic (Organon) 3
- Categories 4
- On Interpretation 34
- Prior Analytics, Book I 56
- Prior Analytics, Book II 113
- Posterior Analytics, Book I 149
- Posterior Analytics, Book II 193
- Topics, Book I 218
- Topics, Book II 221
- Topics, Book III 237
- Topics, Book IV 248
- Topics, Book V 266
- Topics, Book VI 291
- Topics, Book VII 317
- Topics, Book VIII 326
- On Sophistical Refutations 348
- Part 2; Universal Physics 396
- Physics, Book I 397
- Physics, Book II 415
- Physics, Book III 432
- Physics, Book IV 449
- Physics, Book V 481
- Physics, Book VI 496
- Physics, Book VII 519
- Physics, Book VIII 533
- On the Heavens, Book I 570
- On the Heavens, Book II 599
- On the Heavens, Book III 624
- On the Heavens, Book IV 640
- On Generation and Corruption, Book I 651
- On Generation and Corruption, Book II 685
- Meteorology, Book I 707
- Meteorology, Book II 733
- Meteorology, Book III 760
- Meteorology, Book IV 773
- Part 3; Human Physics 795
- On the Soul, Book I 796
- On the Soul, Book II 815
- On the Soul, Book III 840
- On Sense and the Sensible 861
- On Memory and Reminiscence 889
- On Sleep and Sleeplessness 899
- On Dreams 909
- On Prophesying by Dreams 918
- On Longevity and the Shortness of Life 923
- On Youth, Old Age, Life and Death, and Respiration 929
- Part 4; Animal Physics 952
- The History of Animals, Book I 953
- The History of Animals, Book II translated 977
- The History of Animals, Book III 1000
- The History of Animals, Book IV 1029
- The History of Animals, Book V 1056
- The History of Animals, Book VI 1094
- The History of Animals, Book VII 1135
- The History of Animals, Book VIII 1150
- The History of Animals, Book IX 1186
- On the Parts of Animals, Book I 1234
- On the Parts of Animals, Book II 1249
- On the Parts of Animals, Book III 1281
- On the Parts of Animals, Book IV 1311
- On the Motion of Animals 1351
- On the Gait of Animals 1363
- On the Generation of Animals, Book I 1381
- On the Generation of Animals, Book II 1412
- On the Generation of Animals, Book III 1444
- On the Generation of Animals, Book IV 1469
- On the Generation of Animals, Book V 1496
- Part 5; Metaphysics 1516
- Part 6; Ethics and Politics 1748
- Nicomachean Ethics, Book I 1749
- Nicomachean Ethics, Book II 1766
- Nicomachean Ethics, Book III 1779
- Nicomachean Ethics, Book IV 1799
- Nicomachean Ethics, Book V 1817
- Nicomachean Ethics, Book VI 1836
- Nicomachean Ethics, Book VII 1851
- Nicomachean Ethics, Book VIII 1872
- Nicomachean Ethics, Book IX 1890
- Nicomachean Ethics, Book X 1907
- Politics, Book I 1925
- Politics, Book II 1943
- Politics, Book III 1970
- Politics, Book IV 1997
- Politics, Book V 2023
- Politics, Book VI 2053
- Politics, Book VII 2065
- Politics, Book VIII 2091
- The Athenian Constitution 2102
- Part 7; Aesthetic Writings 2156