File:PSM V84 D533 Facts and factors of development fig8-9.jpg
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Summary
| Description | Figs. 6-9. Successive stages in the maturation and fertilization of the entrance cone (EC) | |||
| Date | ||||
| Source | Edwin Grant Conklin: Facts and factors of development. The Popular science monthly, Volume 84, p529. New York, Popular Science Pub. Co., June 1914. Online: archive.org. | |||
| Author | Edwing Grant Conklin | |||
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Licensing
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:49, 22 March 2018 | | 560 × 767 (157 KB) | Ineuw | Cleaned image, enhanced contrast |
| 02:51, 19 March 2011 |  | 1,720 × 1,969 (817 KB) | Martin H. |
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