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Wing of a Bird, Showing the Arrangement of the Feathers

Wing of a Bird, Showing the Arrangement of the Feathers.jpg DeerhoundThumbnailsAn Eight-Armed Cuttlefish or Octopus Attacking a Small CrabDeerhoundThumbnailsAn Eight-Armed Cuttlefish or Octopus Attacking a Small CrabDeerhoundThumbnailsAn Eight-Armed Cuttlefish or Octopus Attacking a Small CrabDeerhoundThumbnailsAn Eight-Armed Cuttlefish or Octopus Attacking a Small CrabDeerhoundThumbnailsAn Eight-Armed Cuttlefish or Octopus Attacking a Small CrabDeerhoundThumbnailsAn Eight-Armed Cuttlefish or Octopus Attacking a Small Crab
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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).

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