''Progression of Animals'' (or ''On the Gait of Animals''; el, Περὶ πορείας ζῴων; la, De incessu animalium) is one of

Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ...

's major texts on biology. It gives details of

gait Gait is the pattern of movement of the limbs of animals, including humans, during locomotion over a solid substrate. Most animals use a variety of gaits, selecting gait based on speed, terrain, the need to maneuver, and energetic efficiency. ...

and movement in various kinds of animals, as well as speculating over the structural homologies among living things.Hall, Brian, Fins into Limbs: Evolution, Development, and Transformation, University of Chicago Press (2007), p. 1 Aristotle sets out to "discuss the parts which are useful to animals for their movement from place to place, and consider why each part is of the nature which it is, and why they possess them, and further the differences in the various parts of one and the same animal and in those of animals of different species compared with one another" (704a1-4). ''Progression of Animals'' illustrates Aristotle's teleological approach to animal biology.

Texts and translations

* * Greek text and English translation by E.S. Forster (

Loeb Classical Library The Loeb Classical Library (LCL; named after James Loeb; , ) is a series of books originally published by Heinemann in London, but is currently published by Harvard University Press. The library contains important works of ancient Greek and ...

, ''Aristotle Parts of Animals, Movement of Animals, Progression of Animals,'' 1937)
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* ''On the Gait of Animals'', translated by A. S. L. Farquharson, Oxford, 1912
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by

Jules Barthélemy-Saint-Hilaire Jules Barthélemy-Saint-Hilaire (19 August 1805 – 24 November 1895) was a French philosopher, journalist, statesman, and possible illegitimate son of Napoleon I of France. Biography Jules was born in Paris. Marie Belloc Lowndes, in th ...

References

Works by Aristotle Zoology books {{zoology-book-stub