File:Flight stages.jpg

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DescriptionFlight stages.jpg	STAGES IN THE DEVELOPMENT OF FLIGHT Tetrapteryx, Archaeopteryx, Hypothetical Stage, Modern Bird. After Beebe.
Date	1922
Source	https://archive.org/details/animalsofpastacc00lucauoft
Author	Beebe

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1930, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:44, 25 September 2009		1,510 × 1,852 (472 KB)	FunkMonk	rotated
	00:37, 25 September 2009		1,852 × 1,510 (468 KB)	FunkMonk	{{Information \|Description=STAGES IN THE DEVELOPMENT OF FLIGHT Tetrapteryx, Archaeopteryx, Hypothetical Stage, Modern Bird. After Beebe. \|Source=http://www.archive.org/details/animalsofpastacc00lucauoft \|Date=1922 \|Author=Lucas, Frederic A. \|Permission= \|

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