Bishop, S. C. (1921). The map turtle, graptemys geographica (le suer) in new york. Copeia, 100, 80–81. |
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Added by: Admin 06 Jan 2014 18:24:05 UTC |
Pop. 4.5%
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Blake, S. F. (1921). Sexual differences in coloration in the spotted turtle, clemmys guttata. Proceedings of the United States National Museum, 59, 463–469. |
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Added by: Sarina Wunderlich 06 Jul 2014 16:10:32 UTC |
Pop. 4.75%
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Boulenger, G. A. (1921). Description of a new land-tortoise from northern persia. Journal of the Bombay Natural History Society, 27, 251–252. |
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Added by: Admin 06 Jan 2014 18:24:07 UTC |
Pop. 5.5%
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Mertens, R. (1921). Die amphibien und reptilien der walachei und der dobrudscha. ii die reptilien. Senckenbergiana Biologica, 3, 20–23. |
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Added by: Sarina Wunderlich 30 Jun 2012 22:01:34 UTC |
Pop. 4%
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