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File:Britannica 1911 Arthropoda - Arachnid head.png

Britannica_1911_Arthropoda_-_Arachnid_head.png ‎(470 × 393 pixels, file size: 17 KB, MIME type: image/png)

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Description Diagram of the head and adjacent region of an Arachnid.
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?)
Permission
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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.

Caption:

Fig. 5. — Diagram of the head and adjacent region of an Arachnid. Diprosthomerous embryologically the appendages of somite II and the somite itself are, as here drawn, not actually in front of the mouth.
E, Lateral eye.
Ch, Chelicera.
m, Mouth.
P, Protocerebrum.
D, Deuterocerebrum.
I, II, III, IV, Coelom of the first, second, third and fourth somites.

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current12:56, 12 July 2011Thumbnail for version as of 12:56, 12 July 2011470 × 393 (17 KB)Bob Burkhardt (talk | contribs){{Information |Description=Diagram of the head and adjacent region of an Arachnid. |Source=''Encyclopædia Britannica'' (11th ed.), v. 2, 1911, p. 675 |Date=published 1911 |Author=Lankester after Goodrich |Permission={{PD-Britannica}} |other_versions= }}

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