File:EB1911 Polyzoa - zooecia of Umbonula pavonella.jpg

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Description

English: Zooecia of Umbonula pavonella, showing a pair of minute avicularia on either side of the orifice of each zooecium.

Date

published 1911

Source

Encyclopædia Britannica (11th ed.), v. 22, 1911, p. 42, fig. 4.

Author

Hincks

Permission
(Reusing this file)

This image comes from the 13^th 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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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:16, 19 August 2014		213 × 377 (35 KB)	Library Guy	{{Information \|Description={{en\|Zooecia of ''Umbonula pavonella'', showing a pair of minute avicularia on either side of the orifice of each zooecium. \|Source=''Encyclopædia Britannica'' (11th ed.), v. 22, 1911, p. 42, fig. 4. \|Date=published 1911 \|Au...

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