File:EB1911 Hydromedusae - significance of the Entocodon in Medusa-buds.jpg

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Summary

Description

English: Diagrams to show the significance of the entocodon in medusa buds (see legend below).

Date

published 1911

Source

“Hydromedusae,” Encyclopædia Britannica (11th ed.), v. 14, 1911, p. 147, fig. 46.

Author

Edward Alfred Minchin (Modified from a diagram given by A. Weismann.)

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.

I,	Ideally primitive method of budding, in which the mouth is formed first (Ia), next the tentacles (Ib), and lastly the umbrella.
II,	Method. of Cunina; (a) the mouth arises, next the umbrella (b), and lastly the tentacles (c).
III,	Hypothetical transition from II to the indirect method with an entocodon; the formation of the manubrium is retarded, that of the umbrella hastened (IIIa, b).
IV,	a, b, c, budding with an entocodon (cf. fig. 44).
V,	Budding with a solid entocodon (cf. fig. 45).

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:10, 15 November 2018		597 × 1,341 (215 KB)	Bob Burkhardt	{{Information \|description ={{en\|1=Diagrams to show the significance of the entocodon in medusa buds (see legend below).}} \|date =published 1911 \|source =“Hydromedusae,” ''Encyclopædia Britannica'' (11th ed.), v. 14, 1911, p. 147, fig. 46. \|author =Edward Alfred Minchin (Modified from a diagram given by A. Weismann.) \|permission ={{PD-Britannica}} }} {\|align="center" width="350" \|-valign="top" \|I,\|\|Ideally primitive method of budding, in which the mouth is formed f...

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