File:1911 Britannica-Arachnida-Comparison.png
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English: Comparison of the sixth prosomatic limb of a recent scorpion (B), of Palaeophonus (C), and of Limulus (A), showing their agreement in the number of segments; in the existence of a movable spine, Sp, at the distal border of the fifth segment; in the correspondence of the two claws at the free end of the limb of Scorpio with two spines similarly placed in Limulus; and, lastly, in the correspondence of the three talon-like spines carried on the distal margin of segment six of recent scorpions with the four larger but similarly situated spines on the leg of Limulus; s, groove dividing the ankylosed segments 4 and 5 of the Limulus leg into two. (After Pocock, Q. J. Mic. Sci., 1901.) |
| Date | |
| Source |
 Encyclopædia Britannica Eleventh Edition, Vol. 2, Page 304 |
| Author | Encyclopædia Britannica, 1911 |
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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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| current | 17:33, 3 November 2012 | | 299 × 446 (111 KB) | Clarice Reis (talk | contribs) | User created page with UploadWizard |
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