File:Descent of Man - Burt 1874 - Fig 39.png
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Revision as of 09:40, 1 April 2013
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== {{int:filedesc}} ==
== {{int:filedesc}} ==
{{Information
{{Information
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|Description=Scan of Figure 39, from Darwin's ''Descent of Man'', second edition.
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|Description=Scan of Figure 39, from Darwin's ''Descent of Man'', second edition. Shows Greater Prairie Chicken ''[[Tympanuchus cupido]]'' (labelled ''Tetrao cupido'' in image) male displaying to females with inflated vocal sacs, raised crest and tail, and spread wings.
|Source=''The Descent of Man, And Selection in Relation to Sex'', by Charles Darwin. Reprinted from the Second English Edition, Revised and Augmented, A. L. Burt Company, New York. 1874. Page 422.
|Source=''The Descent of Man, And Selection in Relation to Sex'', by Charles Darwin. Reprinted from the Second English Edition, Revised and Augmented, A. L. Burt Company, New York. 1874. Page 422.
Image scanned by [[User:Davepape]]
Image scanned by [[User:Davepape]]