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File:On the Various Contrivances by Which British and Foreign Orchids are Fertilised by Insects, and on the Good Effects of Intercrossing - Fig 4.png

On_the_Various_Contrivances_by_Which_British_and_Foreign_Orchids_are_Fertilised_by_Insects,_and_on_the_Good_Effects_of_Intercrossing_-_Fig_4.png ‎(649 × 528 pixels, file size: 62 KB, MIME type: image/png)

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English: Head and proboscis of Acontia luctuosa with seven pairs of pollinia of Orchis pyramidalis attached to the proboscis.
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Source https://archive.org/details/variouscontriv00darw/page/n50
Author Charles Darwin

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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:On_the_Various_Contrivances_by_Which_British_and_Foreign_Orchids_are_Fertilised_by_Insects,_and_on_the_Good_Effects_of_Intercrossing_-_Fig_4.png

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current21:02, 24 March 2019Thumbnail for version as of 21:02, 24 March 2019649 × 528 (62 KB)Sp1nd01 (talk | contribs)User created page with UploadWizard

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