File:EB1911 Sipunculoidea - Sipunculus nudus (1).jpg

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Summary

Description
English: Sipunculus nudus, L., with introvert and head fully extended, laid open by an incision along the right side to show the internal organs. See legend below.
Date published 1911
Source “Sipunculoidea,” Encyclopædia Britannica (11th ed.), v. 25, 1911, p. 152, Fig. 1.
Author Arthur Everett Shipley
Permission
(Reusing this file)
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.
English: Legend:
a Mouth.
b, Ventral nerve-cord.
c, “Heart.”
d, Oesophagus.
e, Intestine.
f, Position of anus.
g, Tuft-like organs.
h, Right nephridium.
i, Retractor muscles.
j, Diverticulum on rectum. The spindle-muscle is seen overlying the rectum.

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current20:38, 7 February 2020Thumbnail for version as of 20:38, 7 February 2020478 × 1,573 (280 KB)Library Guy{{Information |description ={{en|1=''Sipunculus nudus'', L., with introvert and head fully extended, laid open by an incision along the right side to show the internal organs. See legend below.}} |date =published 1911 |source =“Sipunculoidea,” ''Encyclopædia Britannica'' (11th ed.), v. 25, 1911, p. 152, Fig. 1. |author =Arthur Everett Shipley |permission ={{PD-Britannica}} }} {{en|Legend:}} {|cellpadding="0" cellspacing="0" |''a'', ||Mouth. |-valign="top" |'...

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