File:PSM V84 D141 Study of natural selection diag3.jpg
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| Description | Diagram 3. Differences in variabilities of general population of seeds and those which produce plants. The figure to the left shows the ratio of differences in standard deviation to their probable errors (1 space on scale = .2). The figure to the right shows differences in coefficients of variation (1 space on scale =.11 per cent.) The vertical lines give the points of zero difference. | |||
| Date | ||||
| Source | J. Arthur Harris: Current progress in the study of natural selection. The Popular science monthly, Volume 84, p137. New York, Popular Science Pub. Co., February 1914. Online: archive.org. | |||
| Author | J. Arthur Harris | |||
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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 | 01:06, 13 March 2018 | | 1,637 × 980 (124 KB) | Ineuw (talk | contribs) | Cleaned image and trimmed frame |
| 15:43, 14 March 2011 |  | 1,725 × 1,014 (142 KB) | Martin H. (talk | contribs) |
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