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Wing of a Bird, Showing the Arrangement of the Feathers

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Wing of a Bird, Showing the Arrangement of the Feathers.jpg Of Peacocks, Ducks, and other Feathers of changeable coloursMiniaturesCanary BirdsOf Peacocks, Ducks, and other Feathers of changeable coloursMiniaturesCanary BirdsOf Peacocks, Ducks, and other Feathers of changeable coloursMiniaturesCanary BirdsOf Peacocks, Ducks, and other Feathers of changeable coloursMiniaturesCanary BirdsOf Peacocks, Ducks, and other Feathers of changeable coloursMiniaturesCanary BirdsOf Peacocks, Ducks, and other Feathers of changeable coloursMiniaturesCanary Birds
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The longest feathers or primaries (PR) are borne by the two fingers (2 and 3), and their palm-bones (CMC); the second longest or secondaries are borne by the ulna bone (U) of the fore-arm; there is a separate tuft (AS) on the thumb (TH).

Auteur
The Project Gutenberg EBook of The Outline of Science, Vol. 1 (of 4), by J. Arthur Thomson
Published in 1922
Available from gutenberg.org
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1200*647
Mots-clés
Birds
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