File:1911 Britannica-Arachnida-Limulus polyphemus3.png
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摘要
| 描述 |
English: Diagram of the dorsal surface of Limulus polyphemus. oc, Lateral compound eyes. oc′, Central monomeniscous eyes. PA, Post-anal spine. I to VI, The six appendage-bearing somites of the prosoma. VII, Usually considered to be the tergum of the genital somite, but suggested by Pocock to be that of the otherwise suppressed praegenital somite. VIII to XIII, The six somites of the mesosoma, each with a movable pleural spine and a pair of dorsal entopophysis or muscle-attaching ingrowths. XIV to XVIII, The confluent or unexpressed six somites of the metasoma. (From Ray Lankester, Quart. Journ. Micr. Sci., vol. xxi., 1881.) |
| 日期 | |
| 来源 |
 Encyclopædia Britannica Eleventh Edition, Vol. 2, Page 289 |
| 作者 | Encyclopædia Britannica, 1911 |
许可协议
|
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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| 当前 | 2012年10月30日 (二) 00:56 | | 504 × 676（190 KB） | Clarice Reis | User created page with UploadWizard |
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