File:1911 Britannica-Arachnida-Kishinouye.png
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摘要
| 描述 |
English: Section through an early embryo of Limulus longispina ( = Limulus polyphemus ), showing seven transverse divisions in the region of the unsegmented anterior carapace. The seventh, VII, is anterior to the genital operculum, op, and is the cavity of the praegenital somite which is more or less completely suppressed in subsequent development, possibly indicated by the area marked VII in fig. 7 and by the great entopophyses of the prosomatic carapace. (After Kishinouye, Journ. Sci. Coll. Japan, vol. v., 1892.) |
| 日期 | |
| 來源 |
 Encyclopædia Britannica Eleventh Edition, Vol. 2, Page 293 |
| 作者 | Encyclopædia Britannica, 1911 |
授權條款
|
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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| 目前 | 2015年3月5日 (四) 08:36 | | 2,400 × 1,755（590 KB） | Animalparty | high res version |
| 2012年10月31日 (三) 18:25 |  | 240 × 190（38 KB） | Clarice Reis | User created page with UploadWizard |
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