File:EB1911 Hydromedusae - formation of the Hydrotheca and Gonotheca in Calyptoblastic Hydroids.jpg

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Original file(573 × 880 pixels, file size: 139 KB, MIME type: image/jpeg)

Captions

Captions

Add a one-line explanation of what this file represents

Summary[edit]

Description
English: Diagrams to show the mode of formation of the Hydrotheca and Gonotheca in Calyptoblastic Hydroids. A-D are stages common to both; from D arises the hydrotheca (E) or the gonotheca (F); th, theca; st, stomach; t, tentacles; m, mouth; mb, medusa-buds.
Date published 1911
Source “Hydromedusae,” Encyclopædia Britannica (11th ed.), v. 14, 1911, p. 152, fig. 56.
Author After Allman, Gymnoblastic Hydroids.
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

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current17:36, 27 November 2018Thumbnail for version as of 17:36, 27 November 2018573 × 880 (139 KB)Bob Burkhardt (talk | contribs){{Information |description ={{en|1=Diagrams to show the mode of formation of the Hydrotheca and Gonotheca in Calyptoblastic Hydroids. A-D are stages common to both; from D arises the hydrotheca (E) or the gonotheca (F); ''th'', theca; ''st'', stomach; ''t'', tentacles; ''m'', mouth; ''mb'', medusa-buds.}} |date =published 1911 |source =“Hydromedusae,” ''Encyclopædia Britannica'' (11th ed.), v. 14, 1911, p. 152, fig. 56. |author =After Allman, ''Gymnoblastic Hydroids''...

There are no pages that use this file.

File usage on other wikis

The following other wikis use this file: