File:1911 Britannica-Arachnida-Limulus polyphemus7.png

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English: Diagrams of the metasternite st, with genital operculum op, and the first lamelligerous pair of appendages ga, with uniting sternal element st of Scorpio (left) and Limulus polyphemus (right).
(From Ray Lankester, Quart. Journ. Micr. Sci., vol. xxi., 1881.)
Date
Source Encyclopædia Britannica Eleventh Edition, Vol. 2, Page 291
Author Encyclopædia Britannica, 1911

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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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current21:08, 9 March 2015Thumbnail for version as of 21:08, 9 March 20152,400 × 1,859 (298 KB)Animalparty (talk | contribs)larger, clearer
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