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File:EB1911 Hydromedusae - Diagram of a typical Hydropolyp.jpg

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EB1911_Hydromedusae_-_Diagram_of_a_typical_Hydropolyp.jpg (384 × 577 pixels, file size: 45 KB, MIME type: image/jpeg)

Summary

Description
English: Diagram of a typical Hydropolyp:

a, Hydranth;

b, Hydrocaulus;

c, Hydrorhiza;

t, Tentacle;

ps, Perisarc, forming in the region of the hydranth a cup or hydrotheca (h.t),—which, however, is only found in polyps of the order Calyptoblastea.
Date published 1911
Source “Hydromedusae,” Encyclopædia Britannica (11th ed.), v. 14, 1911, p. 136, fig. 1.
Author Edward Alfred Minchin
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, 1930. As such, this image is in the public domain in the United States.

File history

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Date/TimeThumbnailDimensionsUserComment
current16:46, 23 October 2018Thumbnail for version as of 16:46, 23 October 2018384 × 577 (45 KB)Bob Burkhardt{{Information |description ={{en|1=Diagram of a typical Hydropolyp: ''a'', Hydranth; ''b'', Hydrocaulus; ''c'', Hydrorhiza; ''t'', Tentacle; ''ps'', Perisarc, forming in the region of the hydranth a cup or hydrotheca(''h'', ''t''),—which, however, is only found in polyps of the order Calyptoblastea. }} |date =published 1911 |source =“Hydromedusae,” ''Encyclopædia Britannica'' (11th ed.), v. 14, 1911, p. 136, fig. 1. |author =Edward Alfred Minchin |permission...
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