File:EB1911 Sponges - Euspongia officinalis (1).jpg

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Summary

Description
English: Euspongia officinalis (bath sponge). Part of vertical section showing general arrangement of skeleton and canal-system:

p.f, Primary fibre of skeleton.

s.f, Secondary fibres.

d.p, Dermal pores (inhalant).

i.c, Inhalant canals.

e.c, Exhalant canals.

f.c, Flagellated chambers.
Date published 1911
Source “Sponges,” Encyclopædia Britannica (11th ed.), v. 25, 1911, p. 717, fig. 6.
Author After F. E. Schulze. From a coloured plate in Zeits. für Wissen. Zoologie.
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.

File history

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current19:11, 23 September 2018Thumbnail for version as of 19:11, 23 September 2018853 × 621 (239 KB)Library Guy{{Information |description ={{en|1=''Euspongia officinalis'' (bath sponge). Part of vertical section showing general arrangement of skeleton and canal-system: ''p.f'', Primary fibre of skeleton. ''s.f'', Secondary fibres. ''d.p'', Dermal pores (inhalant). ''i.c'', Inhalant canals. ''e.c'', Exhalant canals. ''f.c'', Flagellated chambers. }} |date =published 1911 |source =“Sponges,” ''Encyclopædia Britannica'' (11th ed.), v. 25, 1911, p. 717, fig. 6. |author...
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