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Summary

Description
English: Pterotrachea mutica seen from the right side. (After Keferstein.)

a, Pouch for reception of the snout when retracted.

c, Pericardium.

ph, Pharynx.

oc, Cephalic eye.

g, Cerebral ganglion.

g’, Pleuro-pedal ganglion.

pr, Foot (mesopodium).

v, Stomach.

i, Intestine.

n, So-called nucleus.

br, Branchial plume (ctenidium).

w, Osphradium.

mt, Foot (metapodium).

z, Caudal appendage.
Date
Source Encyclopædia Britannica Eleventh Edition, Vol. 11 "Gastropoda".
Author Encyclopædia Britannica

Licensing

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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current03:50, 15 March 2015Thumbnail for version as of 03:50, 15 March 2015855 × 289 (84 KB)AnimalpartyUser created page with UploadWizard

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