File:Britannica 1911 Arthropoda - Crustacean head.png

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Britannica_1911_Arthropoda_-_Crustacean_head.png ‎(457 × 460 pixels, file size: 15 KB, MIME type: image/png)

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Description Diagram of the head of a Crustacean. Triprosthomerous.
Date published 1911
Source Encyclopædia Britannica (11th ed.), v. 2, 1911, p. 676
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.

Caption:

Fig. 6. — Diagram of the head of a Crustacean. Triprosthomerous.
FP, Frontal processes (observed in Cirrhiped nauplius-larvae) probably representing the prostomial tentacles of Chaetopods.
e, Eye.
Ant1, First pair of antennae.
Ant2, Second pair of antennae.
md, Mandible.
mx1, mx2, First and second pairs of maxillae.
m, Mouth.
I, II, and III, The three prosthomeres.
IV, V, VI, The three somites following the mouth.
P, Protocerebrum.
D, Deuterocerebrum.
T, Tritocerebrum.

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current18:16, 12 July 2011Thumbnail for version as of 18:16, 12 July 2011457 × 460 (15 KB)Bob Burkhardt (talk | contribs){{Information |Description=Diagram of the head of a Crustacean. Triprosthomerous. |Source=''Encyclopædia Britannica'' (11th ed.), v. 2, 1911, p. 676 |Date=published 1911 |Author=Edwin Ray Lankester after Goodrich, ''Q. J. Micr. Sci.'' vol. xi, p. 247 |Pe

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