File:1911 Britannica-Arachnida-mygalomorphous spiders.png
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| Description |
English: Entosternum of one of the mygalomorphous spiders; ventral surface. Ph.N., pharyngeal notch. The posterior median process with its repetition of triangular segments closely resembles the same process in Limulus polyphemus. (From Ray Lankester, Quart. Journ. Micr. Sci., N. S. vol. xxiv, 1884.) |
| Date | |
| Source |
 Encyclopædia Britannica Eleventh Edition, Vol. 2, Page 288 |
| 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 | 08:46, 5 March 2015 | | 2,253 × 2,400 (879 KB) | Animalparty (talk | contribs) | larger |
| 21:54, 29 October 2012 |  | 208 × 220 (50 KB) | Clarice Reis (talk | contribs) | User created page with UploadWizard |
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