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0. In his 1863 Evidence as to Man's Place in Nature, Darwin's friend Thomas Huxley exaggerated the size of the Gibbon while presenting the anatomical argument explicit in the above frontispiece.
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1. The Ascent of Man, drawing by A. Busetto from Circa [http://www.ibc.regione.emilia-romagna.it/paleo/index.htm] www.kheper.net/evolution/ascentofman.html
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2. A simplified version of this figure appears in the cover of the book El mono obeso by JE Campillo
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3. From www.steinbergforcongress.com
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4.
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5. From Judge magazine, July 18, 1925, p. 2.
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6. From the cover of The Economist Dec 24th 2005
7. by Peter Nicholson (www.nicholsoncartoons.com.au)
8.
9.
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10. by Forges
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11. http://www.earlelouder.com/
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12.
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13. by Mackay, http://www.walksf.org/segways/
14. From the cover of Trends in Ecology and Evolution, volume 22 issue 3
15. From Al margen, 2007
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16. byDonado
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17.
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18. Circular evolution
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19.
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20. Homo sapiens sapiens avatariensis (from: villainbaroque.wordpress.com/2008/06/17/the-dawning-of-the-age-of-the-avatar/)
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21. (from: http://faculty.knox.edu/fmcandre)
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22. Evolution of woman (caricatura.ru)
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23. (from: http://www.3x6.net/vhoorl/)
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24.
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25.
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26.
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27.
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28.
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29.
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30.
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31. by Dan Piraro (Bizarro.com)
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32. from: http://vrm1979.deviantart.com
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33. from: http://www.humerusonline.com
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34. from:http://www.insideout-designs.com
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35. by IMAGEZOO / SuperStock
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36.
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37. from http://blogs.publico.es/ciencias