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File:Britannica 1911 Arthropoda - Peripatus head.png

Britannica_1911_Arthropoda_-_Peripatus_head.png ‎(477 × 455 pixels, file size: 18 KB, MIME type: image/png)

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Description Diagram of the head and adjacent region of Peripatus. Monoprost homerous.
Date published 1911
Source Encyclopædia Britannica (11th ed.), v. 2, 1911, p. 675
Author Edwin Ray Lankester after Goodrich, Q. J. Micr. Sci. vol. xi, (p. 247?)
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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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Fig. 4. — Diagram of the head and adjacent region of Peripatus. Monoprost homerous.
m, Mouth.
I, Coelom of the first somite which carries the antennae and is in front of the mouth.
II, Coelom of the second somite which carries the mandibles (hence deuterognathous).
III and IV, Coelom of the third and fourth somites.
FP, Rudimentary frontal processes perhaps representing the prostomial tentacles of Polychaeta.
Ant, Antenna or tactile tentacle.
Md, Mandible.
Op, Oral papilla.
P, Protocerebrum or foremost cerebral mass belonging to the first somite.
D, Deuterocerebrum, consisting of ganglion cells belonging to the second or mandibular somite.

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current12:46, 12 July 2011Thumbnail for version as of 12:46, 12 July 2011477 × 455 (18 KB)Bob Burkhardt (talk | contribs){{Information |Description=Diagram of the head and adjacent region of ''Peripatus''. Monoprost homerous. |Source=''Encyclopædia Britannica'' (11th ed.), v. 2, 1911, p. 675 |Date=published 1911 |Author=Lankester after Goodrich |Permission={{PD-Britannica}

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